Chapter 7 Review/Test

Transcription

1 Name Chapter 7 Review/Test Personal Math Trainer Online Assessment and Intervention. A painter mixed _ purple paint. quart of red paint with _ blue paint to make How much purple paint did the painter make? quart of purple paint 2. Ivan biked 2_ hours on Monday, 2_ hours on Tuesday, and 22_ hours on Wednesday. What is the total number of hours Ivan spent biking? Ivan spent hours biking.. SMARTER Tricia had _ yards of fabric to make curtains. When she finished she had 2 _ yards of fabric left. She said she used 2 2_ yards of fabric for the curtains. Do you agree? Explain. Personal Math Trainer Assessment Options Chapter Test Chapter 7 7

2 . Miguel s class went to the state fair. The fairground is divided into sections. Rides are in of the fairground. Games are in 2 of the fairground. Farm exhibits are in of the fairground. Use the model. What fraction of the fairground is rides and games? The fraction of the fairground with games and rides is. How much greater is the part of the fairground with rides than with farm exhibits? Explain how the model could be used to find the answer.. Rita is making chili. The recipe calls for 2 _ cups of tomatoes. How many cups of tomatoes, written as a fraction greater than one, are used in the recipe? cups 6. Lamar s mom sells sports equipment online. She sold 9 of the sports equipment. Select a way 9 can be written as a sum of fractions. Mark all that apply. A B C D E F

3 Name 7. Bella brought gallon of water on a hiking trip. She drank gallon of water. How much water is left? gallon. In a survey, of the students chose Saturday and chose Monday as their favorite day of the week. What fraction shows the students who chose Saturday or Monday as their favorite day? Shade the model to show your answer. of the students chose Monday or Saturday. How are the numerator and denominator of your answer related to the model? Explain. 9. Match the equation with the property used. + ( + ) = ( 6 + ) + _ + ( + 2 _ ) = _ + ( 2 _ + ) ( 2 + ) + 9 = 2 + ( + 9 ) ( _ _ 7 ) + 6 _ 7 = ( 2 _ 7 + _ 7 ) + 6 _ 7 Commutative Property Associative Property Chapter 7 9

4 . For numbers a e, select or to show if the sum or difference is correct. a. b. c. d. e. 2_ + _ = + _ = 6 + _ 6 = = 2 2 7_ 9 2 _ 9 = 9 _ 9. Gina has 2_ feet of silver ribbon and 2_ of gold ribbon. How much 6 6 more silver ribbon does Gina have than gold ribbon? feet more silver ribbon 2. Jill is making a long cape. She needs _ yards of blue fabric for the outside of the cape. She needs 2_ yards of purple fabric for the lining of the cape. Jill incorrectly subtracted the two mixed numbers to find how much more blue fabric than purple fabric she should buy. Her work is shown below. _ 2 _ = 2 9 _ = _ Why is Jill s work incorrect? How much more blue fabric than purple fabric should Jill buy? Show your work. 0

5 Name. Russ has two jars of glue. One jar is _ full. The other jar is 2_ full. 2 Use the fractions to write an equation to find the amount of glue Russ has. 2 + =. Gertie ran _ mile during physical education class. Sarah ran 2_ mile during the same class. How much farther did Gertie run than Sarah? Shade the model to show your answer. Gertie ran mile farther than Sarah.. Teresa planted marigolds in 2_ of her garden and petunias in _ of her garden. What fraction of the garden has marigolds and petunias? Teresa s garden has marigolds and petunias. 6. Draw a line to show the mixed number and fraction that have the same value. 2 _ _ 2 _ 2 _ DEEPER Each day, Tally s baby sister eats _ cup of rice cereal in the morning and _ cup of rice cereal in the afternoon. It will take Tally s sister 2 days to eat 2 cups of rice cereal. Chapter 7

6 . Three girls are selling cases of popcorn to earn money for a band trip. In week, Emily sold 2 _ cases, Brenda sold _ cases, and Shannon sold _ 2 cases. How many cases of popcorn have the girls sold in all? Explain how you found your answer. The girls must sell a total of cases in order to have enough money for the trip. Suppose they sell the same amount in week 2 and week of the sale as in week. Will the girls have sold enough cases of popcorn to go on the trip? Explain. 9. Henry ate _ of a sandwich. Keith ate _ of the same sandwich. How much more of the sandwich did Keith eat than Henry? of the sandwich 20. For numbers 20a 20d, choose True or False for each sentence. 20a. _ _ 9 is equal to _. True False 9 20b. _ _ 6 is equal to 2 _. True False 6 20c. _ 2 _ is equal to 2 _. True False 20d. _ 2 _ is equal to 2 _. True False 2. Justin lives _ miles from his grandfather s house. Write the mixed number as a fraction greater than one. _ = 2