Number Sense. Mary weighs a marshmallow to be 7.2 grams. How much would you expect 10 marshmallows

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INDIANA ACADEMIC STANDARDS Number Sense 5.NS.1 Use a number line to compare and order fractions, mixed numbers, and decimals to thousandths. Write the results using >, =, < symbols..2.5.75 5.NS.2 Explain different interpretations of fractions including: as parts of a whole, parts of a set, and division of whole numbers by whole numbers. 5.NS.3 Recognize the relationship that in a multi-digit number, a digit in one place 10 times as much as it represents the place to its right, and inversely, a digit in one place represented 1/10 of what it represents in the place to its left. Mary weighs a marshmallow to be 7.2 grams. How much would you expect 10 marshmallows to weigh? Why? Mary weighs 10 jellybeans to be 12.0 grams. How much would you expect 1 jellybean to weigh? Why? Mary weighs 10 erasers to be 312.4 grams. How much would you expect 1,000 erasers to weigh? Why? 1

Number Sense 5.NS.4 Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole number exponents to denote powers of 10. Evaluate each expression and describe any patterns that you notice. 5 x 10 5 x 1 5 5 x 10 5 x 10 50 5 x 10 5 x 100 500 5 x 10 5 x 1,000 5,000 5 x 10 5 x 10,000 50,000 Evaluate each expression and describe any patterns that you notice. 27.54 x 10 Move decimal one place TO THE RIGHT 275.40 10 1 10 10 100 1,000 10,000 27.54 x 10 Move decimal two places TO THE RIGHT 2,754.0 27.54 x 10 Move decimal three places TO THE RIGHT 27,540.0 27.54 / 10 Move decimal one place TO THE LEFT 2.754 27.54 / 10 Move decimal two places TO THE LEFT.2754 27.54 / 10 Move decimal three places TO THE LEFT.02754 5.NS.6 Understand, interpret, and model percents as part of a hundred (e.g., by using pictures, diagrams, and other visual models). EXAMPLE: Sam has 75% of all the books ion her book shelf. Draw a model to represent 75%. If the total number of pens in the whole house is 100, how many pens does Sam have? 5.NS.5 Use place value understanding to round decimal numbers up to thousandths to any given place value. Round 425.7384 to the nearest: Hundreds 400.0000 Tens 430.0000 Ones 425.0000 Tenth 425.7000 Hundredth 425.7400 Thousandth 425.7380 What is 425.7384 rounded to the nearest tenth? hundredth? one? ten? hundred? 2

Computation 5.C.1 Multiply multi-digit whole numbers fluently using a standard algorithmic approach. Lattice Multiplication x + 2 3 7 3 3 6 2 3 8 1 1 1 9 0 1 3 4 2 8 5.C.2 Find whole number quotients and remainders with up to four-digit dividends and two-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Describe the strategy and explain the reasoning used. Describe how you determined the answer to 3,525 divided by 15. 1) Divide by the hundreds. There are 2 groups of 15 in 3525. (20x15=3000) 2) Divide by the tens. There are 3 groups of 15 in 525. (30x15=450). 3) Divide by the ones. There are 5 groups of 15 in 75. (5x15=75) 3

Computation 5.C.8 Add, subtract, multiply, and divide decimals to hundredths, using models or drawings and strategies based on place value or the properties of operations. Describe the strategy and explain the reasoning. Evaluate the expression: 458.28 + 97.06 4 5 9. 2 8 + 9 7. 0 6 5 5 9 3 4 Line of the decimals in the addends. Start adding in the column farthest to the right If the sum of the two digits is greater than 10, regroup. Add each of the columns moving right to left Place a decimal point in the answer directly below the other decimal points Evaluate the expression: 5,078.07 1,416.3 5, 0 7 8. 0 7-1, 4 6 1. 3 0 3, 6 1 6 7 7 Line of the decimals Start subtracting in the column farthest to the right If the top digit is smaller than the bottom digit, of the two digits is greater than 10, regroup. Place a decimal point in the answer directly below the Evaluate the expression: 2.95 x 3.2 Evaluate each expression: 52 divided by 6.5 4

Computation 5.C.9 Evaluate expressions with parentheses or brackets involving whole numbers using the commutative properties of addition and multiplication, associative properties of addition and multiplication, and distributive property. Evaluate each expression. 1. 2 x (3+5) x 4 x 2 = 2 x 8 x 4 x 2 = 16 x 4 x 2 = 64 x 2 = 128 Are the expressions below equivalent? Justify your answer. 3 + 5x (2+4) = 3 + 5 x 6 = 3 + 30 = 33 3 + (5x2 + 4) = 3 + (10 + 4) 4 x 5 = 20 = 3 + 14 = 17 3 x (4 x 2) = 24 3 + 5x2 + 4 = 3 + 10 + 4 = 13 + 4 = 17 P 7 x 4 = (5 x 4) + (2 x 4) Parentheses = ( ) Exponents = 5 2 Multiplication-Division Left to Right x / A Addition-Subtraction Left to Right + - 5

Computation-Fractions 5.C.3 Compare the size of a product to the size of one factor on the basis of the size of the other factor, without performing the indicated multiplication. Determine which number is greater in each expression without multiplying and explain how you know. 1/4 x 3 or 3 51/100 or 51/100 x 301 13/40 or 2/3 x 13/40 Use fraction models to show which number is greater. 1 2 3 EXAMPLE: 51 out of 100 parts is greater than 301 divided into 100 parts, then shading in 50 parts. Fill in the blank complete this sentence. When multiplying 40 by 5 1/9, the product will be slightly more than times the size of 40. 40 40 40 40 40 5 groups of 40 1 / 5 1 / 5 1 / 5 1 / 5 1 / 5 5 groups of 1/5 Fill in the blank to complete this sentence. When multiplying 3 by 1/2, the product will be the size of 3. 3 3 3 3 groups cut in half 5.C.4 Add and subtract fractions with unlike denominators, including mixed numbers. 6

Computation-Fractions 5.C.5 Use the visual fraction models and numbers to multiply a fraction by a fraction or a whole number. What is 2/3 x 3/4? Represent this product using a visual fraction model. 3/4 2/3 2/3 x 3/4 = 6/12 What is 4 x 2/3? Represent this product using a visual fraction model. Evaluate 2/5 x 6. 6 2/5 2/5 x 6 = 12/5 = 2 2/5 7

Computation-Fractions 5.C.6 Explain why multiplying a number by a fraction greater than 1 results in a product greater than the given number. Explain why multiplying a number by a fraction less than 1 results in a product smaller than the given number. Relate the principle of fraction equivalence, a/b = (n x b) (n x b), to the effect of multiplying a/b by 1. Will the product of each expression be greater or small than 100? 100 x 3/2 100 x 1/10 100 x 1/4 100 x 1/2 Explain how to determine if the product of a whole number and a fraction will be greater or smaller than the given whole number. If the fraction is greater than 1, in other words the numerator is greater than the denominator, the product will be greater than the whole number. If the fraction is less than one, in other words the numerator is less than the denominator, the product will be less than the whole number. If the fraction is equal to 1, in other words the numerator is equal to the denominator, the product will equal to the whole number. EXAMPLE 2/2 x 50 = 50 5.C.7 Use visual fraction models and numbers to divide a unit fraction by a non-zero whole number and to divide a whole number by a unit fraction. Evaluate 8 divided by 1/3 = 24 Evaluate 1/5 divided by 9 = 1/45 Ask yourself...how many groups of 1/3 are there in 8? Ask yourself...what happens when you divide 1/5 into 9 equal parts? 8

Algebraic Thinking 5.AT.1 Solve real world problems involving multiplication and division of multi-digit whole numbers (e.g. by using equations to represent the problem). In division problems that involve a remainder explain how the remainder affect the solution to the problem. Barney wants to buy calculators for some of her friends. The calculators cost $8 each. She has $140 to spend on the calculators. For how many friends can Sarah buy a calculator? Step #1 Write the problem as a number sentence or equation. 140 8 = n Money to spend Cost per calculator Step #2 Complete the appropriate operation following a standard algorithm approach. Step #3 Reread the problem asking yourself, What is the original problem? Step #4 Interpret the remainder according to the problem given. Step #5 Ask yourself, Does my answer make sense? Sarah can buy 17 calculators. 17 x 8 = 136. She will have $4.00 left over. What is the smallest number of busses that can carry students if each bus holds 36 students? Students Busses 16 1 16 x n = 250 32 2 Students Per Bus Number of Busses Total Number of Students 48 3 64 4 80 5 96 6 112 7 128 8 The smallest number of busses needed will be 17. The last bus will have 2 students on it. 144 9 160 10 176 12 188 13 204 14 220 15 236 16 252 17 9

Algebraic Thinking 5.AT.2 Solve real-world problems involving addition and subtraction of fractions referring to the same whole, including cases of unlike denominators (e.g., by using visual fraction models and equations to represent the problem). Use benchmark fractions and number sense of fractions to estimate mentally and assess whether the answer is reasonable. EXAMPLE: Of the ice cream bars sold at the shop yesterday, 3/4 were chocolate and 1/5 were vanilla. What fraction of ice cream bars sold yesterday was either chocolate or vanilla? Chocolate 3/4 = 15/20 1/5 = 4/20 Vanilla 15/20 + 4/20 = 19/20 EXAMPLE: Nick s goal is to run 12 miles each week. Nick runs 2 3/5 miles on Monday. How many more miles does Nick need to run this week to reach his goal? 1 mile 1 mile 1 mile 1 mile 1 mile 1 mile 1 mile 1 mile 1 mile 1 mile 1 mile 1 mile 12 miles 2 3/5 miles = n 2 3/5 + n = 12 Whole miles left to run: 9 Fractional parts of a mile left to run: 2/5 Total miles left to run: 9 + 2/5 = 9 2/5 10

Algebraic Thinking 5.AT.3 Solve real-world problems involving multiplications of fractions, including mixed numbers (e.g., by using visual fraction models and equations to represent the problem). EXAMPLE: Tony buys 18 roses for his mom. 5/6 of them are pink. How many roses are pink? 5/6 of 18 = n (5x18)/6 = n 90/6 = n 15 = n Divide the fraction model into 6 equal parts. Shade in five of the 6 parts. Count the number of shaded parts to solve the problem. EXAMPLE: Ray exercised for 2/3 hour last weekend. Betty exercised 3 3/4 times as long as Ray last weekend. How many hours did Betty exercise last weekend? Find the common multiple of 3 and 4 12 Create a model with 4 boxes divided into 12 equal parts Shade in 3 3/4 of the model Use a different pattern to shade in 2 out of 3 parts of the models 30/12 are shaded in Simplified 2 1/2 Make 3 3/4 into an improper fraction 15/4 Multiply the numerators of 2/3 and 15/4 = 30 Multiply the denominators of 2/3 and 15/4 = 12 Simplify 30/12 = 2 1/2 11

Algebraic Thinking 5.AT.4 Solve real-world problems involving division of unit fractions by non-zero whole numbers, and division of whole numbers by unit fractions (e.g., by using visual fraction models and equations to represent the problem). EXAMPLE: How many 1/3 cup servings are in 4 cups of milk? -1/3-1/3-1/3-1/3-1/3-1/3-1/3-1/3-1/3-1/3-1/3-1/3 3/3 + 3/3 + 3/3 + 3/3 There are 12 1/3s in 4 cups. EXAMPLE: After Julia s party, he had 1/8 of a large sheet of cake left over. He divided it evenly for 3 of his friends to take home. What fractional amount of the cake did each friend take home? 1/8 3/1 1/8 x 1/3 = 1/24 Divide the fraction model into 8 equal parts vertically Shade in 1/8 or three parts of the model Divide the entire cake into three equal parts horizontally Shade in 1/3 of the already shaded portion 1/24 pieces of cake were given to each friend to take home 12

Algebraic Thinking 5.AT.5 Solve real-world problems involving addition, subtraction and division with decimals to hundredths, including problems that involve money in decimal notation (e.g., by using equations to represent the problem). EXAMPLE: George buys four candy bars for a total cost of $4.96. Each candy bar costs the same amount. What is the cost of each candy bar? First Candy Bar Second Candy Bar Third Candy Bar Fourth Candy Bar Total Cost $4.96 n + n + n + n = $4.96 4n = $4.96 $4.96 / 4 = n 5.AT.6 Graph points with whole number coordinates on a coordinate plane. Explain how the coordinates relate the point as the distance from the origin on each axis, with the convention that the names of the two axes and coordinates correspond (e.g., x axis and x-coordinate, y-axis and y-coordinate. EXAMPLE: Graph the points below on a coordinate plane. (1,4), (3,0), (0,5), (5,4) The first number in the pair corresponds to the x axis or the horizontal axis. Count over to the right or left from the origin (0,0) The second number in the pair corresponds to the y axis or the vertical axis. Count up or down from the x coordinate. 13

Algebraic Thinking 5.AT.7 Represent real-world problems and equations by graphing ordered pairs in the first quadrant of the coordinate plane, and interpret coordinate values of points in the context of the situation. Complete the table of values for the equation y = x + 3 and graph the ordered pairs in the coordinate plane. X Y 0 3 y=0+3, y=3 2 5 y=2+3, y=5 4 7 y=4+3, y=7 6 9 y=6+3, y=9 EXAMPLE: Edward created a map of his neighborhood on a coordinate plane. His home is located at (2,3). His school is located 1 unit to the left and 5 units up from his home. What are the coordinates of the school? X Y 2 3 Edward s home 1 8 School 14

Algebraic Thinking 5.AT.8 Define and use up to two variables to write linear expressions that arise from real-world problems, and evaluate them for given values. EXAMPLE: Gary is buying calculators and notebooks for his class. Each calculator costs $7.00 and each notebook costs $2.00. Gary is not sure how many calculators and notebooks he will buy. Write an expression to represent the total cost of Gary s purchase. Be sure to define your variables.. 7 c + 2 n = T Cost of each Variable to rep- Operation to Cost of each Variable to rep- Symbol used to Variable used calculator resent each add the calcula- notebook resent each balance each to represent calculator tor cost to the notebook side of the the total cost of notebook cost equation calculators and notebooks How much will it cost if Gary buys 12 calculators and 25 notebooks? (7x12) + (2x25)= T 84 + 50 = T 134 = T Gary will need to pay $134 for 12 calculators and 25 notebooks. 15

Geometry 5.G.1 Identify, describe, and draw triangles (right, acute, obtuse) and circles using appropriate tools (e.g., ruler or straightedge, compass, and technology). Understand the relationship between radius and diameter. 5.G.2 Identify and classify polygons including quadrilaterals, pentagons, hexagons, and triangles (equilateral, isosceles, scalene, right, acute and obtuse) based on angle measures and sides. Classify polygons in hierarchy based on properties. 16

Geometry EXAMPLE: Draw a right, acute, and obtuse triangle. Describe how the triangles are similar and different. Right Triangle Acute Triangle Obtuse Triangle The right triangle has one 90 degree angle and two acute angles. T he acute triangle has three angles, all which measure less than 90 degrees. T he obtuse triangle has one angle greater than 90 degrees. The other two angles are acute. EXAMPLE: Draw a circle with a diameter of 6 inches. Explain the steps you took to draw the circle. Use a compass to draw a circle. Set the compass for a 3 inch radius. Mark the center of the circle where the compass point was anchored. Draw a line from one edge of the circle to the other edge of the circle, going through the center point. The diameter will be 6 inches which is twice the measurement of the radius. 17

Measurement 5.M.4 Convert among different-sized standard measurement units within a given measurement system, and use these conversions in solving multi-step real-world problems. Henry made 5 gallons of fruit punch. How many servings will this make if each serving is one cup? Gallons Cups/Servings 1 16 2 32 3 48 4 60 5 72 An adult elephant at a zoo weighs 4,200 kilograms. A baby elephant at the zoo weighs 105,000 grams. How many kilograms combined do they weigh? Kilograms Grams 1 1,000 10 10.000 100 100,000 105 (5x1,000) + 100,000 Adult elephant 4,200 Baby elephant 105 TOTAL 4,305 kilograms 18

Measurement 5.M.2 Find the area of a rectangle with fraction side lengths by modeling with unit squares the appropriate unit fraction side lengths, and show that the area is the same as would be found by multiplying the side lengths. Multiply fractional side lengths to find areas of rectangles, and represent fraction products as rectangular areas. The model below can be used to represent the area of a rectangle measuring 3 feet by 2/3 foot. What is the area of the rectangle. 3 2/3 =1 unit 2/3 x 3 = 2/3 x 3/1 = 6/3 = 2 What is the area of a rectangle with length 3 1/4 inches and width 2 1/2 inches? Change the mixed numbers to improper fractions: 13/4 and 5/2 Multiply the numerators: 13 x 5 = 65 Multiply the denominators: 4 x 2 = 8 Divide the numerator by the denominator: 65/8 = 8 1/8 19

Measurement 5.M.3 Develop and use formulas for the area of triangles, parallelograms, and trapezoids. Solve real-world and other mathematical problems hat involve perimeter and area of triangles, parallelograms and trapezoids, using appropriate units for measure. Jim designs a sign in the shape of a trapezoid as shown below. The height of the trapezoid is 3 feet. What is the area and perimeter of the sign? A = (2.5 + 4.5)/2 x 3 A = 7/3 x 3 A = 2.5 x 3 A = 7.5 feet P = 4.5 + 3.5 + 3.5 + 2.5 P = 14 feet 4.5 ft. 3.5 ft. 3.5 ft. 2.5 ft. 20

Measurement 5.M.4 Find the volume of a right rectangular prism with whole number side lengths by packing it with unit cubes, and show that the volume is the same as would be found by multiplying the edge lengths or multiplying the height by the area of the base. Given 24 unit cubes, how many different rectangular prisms are possible. Record the types of prisms in a chart like the one below. Notice how the dimensions relate to the volume. (They are all factors of 24. Length Width Height Volume 1 2 12 24 2 2 6 24 4 2 3 24 8 3 1 24 5.M.5 Apply the formulas V = l x w x h and V = B x h for right rectangular prisms to find volumes of right rectangular prisms with whole number edge lengths to solve real-world problems and other mathematical problems. EXAMPLE: Joe has a fish tank in the shape of a rectangular prism with dimensions 4 feet by 3 feet by 2 feet. How much water will completely fill the tank? 2 x 3 x 4 = 24 feet 5.M.6 Find volumes of solid figures composed of two non-overlapping right rectangular prisms by adding the volumes of the nonoverlapping parts, applying this technique to solve real-world problems and other mathematical problems. V = (3x2x2) + (2x2) V = 12 + 4 V = 16 21

Data Analysis 5.DA.1 Formulate questions that can be addressed with data and make predictions about the data. Use observations, surveys, and experiments to collect, represent, and interpret the data using tables (including frequency tables), line plots, bar graphs, line graphs. Recognize the differences in representing categorical and numerical data. EXAMPLE: Wendy asked each student in her class to answer the questions below. Which questions will generate response that can be represented as categorical data? As numerical data? Explain how you know. What is your favorite color? [categorical data identifying a color] How may pets do you have? [numerical data identifying number of pets] What is your favorite type of music? [categorical data identifying type of music] What is your favorite food? [categorical data identifying favorite food] How tall are you? [numerical data height in numbers] EXAMPLE: Formulate a statistical question of interest and conduct an observation, survey, or experiment. Collect, organize, and display data; making observations based on data display. Conduct a survey about favorite sport, food, or musician Observe and tally different colors of shirts classmates wear to school on a given day 5.DA.2 Understand and use measures of center (mean and median and Frequency (mode) to describe a data set. EXAMPLE: Andy records his test scores, as percentages, in his science class as shown below. What is the mean, median, and mode of his test scores? 85, 88, 75, 90, 95 Mean: Add all numbers and divide by 5 (the number of numbers) = 433/5 = 86.6 Median: Place the numbers in order from least to greatest: 75, 85, 88, 90, 95. The number in the middle is 88 that is the MODE Mode: There is no number that you see the most as all of them occur only once Range: Subtract the smallest number from the largest number. 95-75 = 20 22

Vocabulary Estimate a close guess of an actual value, usually with some thought or calculation Models picture representation of a number Number Line a straight line on which there is indicated a one-on-one correspondence between points on the line and the set of real numbers. Number Sense refers to a person s understanding of number concepts Place Value the value of the place, or position of a digit in a number Percent means parts of 100 Denominator the bottom number of a fraction that tells how many parts are in the whole Equivalence equal in value or meaning; having the same value Fraction a number that names part of a whole Improper Fraction a fraction with a numerator than or equal to the denominator Mixed Numbers a number expressed as a whole number plus a fraction Numerator the top number of a fraction; the number that tells how many parts of a whole are counted Unit Fraction a fraction where the numerator is 1 Algorithmic approach using a list of well-defined instructions or a step-by-step procedure to solve a problem Equation a mathematical sentence that uses the equal sign (=) to show that two expressions are equal Expression a representation of a value Quotient When one number (dividend) is divided by another number (divisor), the result is known as the quotient. [answer to a division problem. Problem the result obtained after multiplying two or more numbers 23

Vocabulary Acute Triangle a triangle that has all angles less than 90 degrees Diameter a straight line gong through the center of a circle connecting two points on the circumference Equilateral Triangle a triangle with all three sides of equal length; all 3 angles will also be of equal measure (60 degrees) Isosceles Triangle a triangle with 2 sides of equal length; the angles opposite the equal sides have the same measure Obtuse Triangle a triangle that has one angle greater than 90 degrees Polygon a closed share (two-dimensional) bounded by three or more line segments Radius the distance from the center to the edge of a circle Right Triangle a triangle that has a right angle (90 degrees) Scalene Triangle a triangle with all sides of different lengths Area the number of square units needed to cover a surface Mass the amount of matter an object contains Perimeter the distance around a closed two-dimensional shape Volume the amount of 3-dimensional space an object occupies; capacity 24

Vocabulary Coordinates a set of values that show an exact position Coordinate Plane the plane containing the x axis and y axis Ordered Pairs two numbers written in a certain order. Usually written in parentheses like this: (4,5) Origin refers to the ordered pair (0,0) in the coordinate plane; the point where the x and y axis intersect Quadrant Any of the four areas into which a plane is divided by the reference axes in a Cartesian coordinate system, designated first, second, third, and fourth, counting counterclockwise from the area in which both coordinates are positive Experiment a test or investigation Mean a measure of center in a set of numerical data, computed by adding the values in a list and then dividing by the number of values in the list Median a measure of center in a set of numerical data; the value appearing at the center of a sorted list or the mean of the two central values if the list contains an even number of values Mode the most frequently occurring number in a data set Observations an act or instance of regarding attentively or watching Survey a term in statistics for the method of collecting information by asking people questions 25