National 5 Revision Booklet Expressions and Formula
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1 National 5 Revision Booklet Epessions and Fomula This evision coves the following topics.. Suds. Indices. Significant Figues. Suds This is a non calculato eecise.. Simplify: a. b. c. d. e. f. g. h. i.. Simplify as fa as possible: a. b. c. d. e. f.. Add o subtact these suds and simplify as fa as possible: a. b. c. - d. e. f. g. h.
2 . Epand and simplify: a. b. c. d. e. f. 5. Epand and simplify: a. b. c. d. e. f. 6. Rationalise the denominato in each faction and simplify as fa as possible: a. b. c. d. e. f. 7. Etensions Wok - Use the conjugate to ationalise each denominato: a. b. c. d. 8. A ectangle has sides measuing. Calculate the aea of the ectangle. 9. The eact aea of a ectangle is Given that the beadth of the ectangle is equal to cm. show that the length is End of Suds eview.
3 . Indices This is a non calculato eecise 0. Simplify the following epessions, epessing you answes with positive indices: a. y y y b. p p p p q c. a a b b a d. e. p p 7 f. a a g. y y h. a b a i. y y j. 8 k. d d l. a 0 6a a m. n. o. p. q... Simplify the following epessions, epessing you answes with positive indices: a. 5 b. - c. a 7 d. p - e. d -5 - f. 8 g. h. i. j. k. ab l. y m. n. y o. a b. Epess without oot signs: a a b p c 5 d 5 e a b. Epess without oot signs Wite with positive indices fist whee necessay a e p5 y 5 b w c d a
4 . Evaluate each of the following without the use of a calculato q p o n m l k j i h g f e d c b a 5. Simplify each of the following by: changing oot signs to factional powes moving s onto the numeatos epanding backets whee necessay l k j i h g f e d c b a End of Indices Review. Significant Figues- This is a non calculato eecise 6. Round each numbe to the amount of significant figues asked: a b. 88 c d Calculate the following, giving you answes to significant figues: a. b. 0.6 c. 6 d. 9 End of Significant Figues eview. END OF REVIEW
5 National 5 Revision Booklet Epessions and Fomula This evision coves the following topics.. Epanding Backets. Factoising. Completing the Squae. Simplifying Algebaic Factions.5 Algebaic Factions Opeations. Epanding backets This is a non calculato eecise. Multiply out the backets below: a h + b c n n³ - n² d 7 + n e 5 y + y. Multiply out the backets below: a y + y + 5 b t - t - c + - d y y² +y + e m + m² +m - f - ² Multiply out the backets below: a + 5 ² b c 5² c b c ² d a + ² e - p² f +² - +² End of Epanding backets eview
6 . Factoising This is a non calculato eecise. Factoise: a a + 8 b 6 8 c a² + a d 6z² - 8z e ab ac f 5w² - 6w 5. Factoise: a c² - d² b w² - 6 c 8 - e² d a² - 00 e 9 - n² f y² - 5 g 9y² - 6 h 8² - a² i w² - 9² j k² k 6u² - 9v² l a² - m a² - b² n c² - 7d² o 6y² - 6t² p a² - ay² q 7 m² 6. Factoise: a a² + a + b ² c m² + m - 5 d w² - 6w + 9 e w² + w + f y² - y + g ² h u² + 7u 6 7. Factoise: a ² - 8 b p² - 9 c 5² - 5 d ² - y² e ² - 5 f ² + 6 g a² + a + b² End of Factoising eview. Completing the Squae This is a non calculato eecise 8. In pats a f add a numbe to make a pefect squae: a ² + b y² + y c m² - 6m
7 d w² - 0w e ² In pats g j, wite in the fom +p + q: f v² - v g ² h y² - y + i z² + 8z 0 j m² + m 0. Wite in the fom p +q²: Etension Wok a + - ² b 5 - ² c ² d 6 - ². Wite in the fom a+p² + q: Etension Wok a b 5a² - 0a 8 c n² + n + d m² - m 6. Simplifying Algebaic Factions. Simplify these epessions: End of Completing the Squae eview a 5 5 b a b c d 6 pq q e i 6abc a c a a a f a b b g h. Factoise fist then simplify these epessions a 5 b 9 c End of Simplifying Algebaic Factions Review
8 .5 Applying the fou opeations to algebaic factions. Simplify: a a b b b a c a by k k d 6 e 5 a ab f g y y Simplify: a d g j g 5 b 5 7 g c m n e f 7 + d a a h i y k 6. Simplify: e f a ef b c d s t t e s y y y f 5 p p 8 h p p 5 i a b 7 j b a k l 5 m 5 End of Applying fou opeations to Algebaic factions eview END OF REVIEW
9 National 5 Revision Booklet Epessions and Fomula MIXED EXERCISE This homewok coves the following topics.. Calculating Gadient. Length of Ac/Aea of Secto. Volumes of Solids. Finding Gadient- This is a non calculato eecise. Calculate the gadient of the lines dawn on the following gid:. Calculate the gadient of a line passing though the points A-,- and B8, End of Gadient eview.
10 . Acs and Sectos - This is a calculato eecise. Calculate the length of the mino ac AB and the aea of secto AOB in each of the following whee O is the cente of the cicle: A B A O 5cm 6cm 0 o O O B 7 o A 7cm B. Calculate the angle maked in the diagam if the aea of the secto is 75cm². Give angle to neaest whole degee. O P o cm Q 5. The length of ac XY is 8.5cm. Calculate the cicumfeence of the cicle: O X 0 o Y 8.5cm
11 . Acs and Sectos - This is a calculato eecise 6. The aea of secto PQ is.cm. Calculate the adius of the cicle: O P 60 o.cm Q 7. Fom the diagam below a Calculate the peimete of the secto XOY. b Calculate the aea of the cicle. X 8cm O 50 o Y End of Acs and Sectos Review
12 . Volume - This is a calculato eecise Impotant Fomulae: Volume of a cuboid V = l b h Volume of a pism V = Aea of face length height Volume of a cylinde V = π h Volume of a sphee V = π Volume of a cone V = ⅓ π h Volume of a pyamid V = ⅓ aea of base height V = ⅓ A h 8. Calculate the volume of each cuboid below: cm 6cm cm cm 0cm 6cm 8mm 8mm 8mm 9. Calculate the volume of each pism below: 9cm a b 0m cm cm 8m 6cm 0cm m
13 . Volume - This is a calculato eecise 5cm c d cm 6cm 5cm m m cm m 0. Calculate the volume of each cylinde: cm cm 6cm 8cm mm m 0mm m
14 . Volume- This is a calculato eecise. A cylinde has a diamete of 0 cm and a height of 6cm. Calculate its volume.. A cylinde has a diamete of.6m and a height of 80cm. Calculate its volume to the neaest cubic mete.. Calculate the volume of each sphee below ounding you answes to decimal place: a Radius = 6cm b Radius = m c Radius = 9mm d Radius = cm
15 . Volume- This is a calculato eecise. A sphee has a diamete of 8cm. Calculate its volume giving you answes to significant figues. 5. Calculate the volume of each cone below ounding you answes to decimal place: h Height = 6cm Radius = cm h Height = mm Radius = 8mm h Height = 5cm Radius = cm h Height = 6m Radius = m
16 . Volume- This is a calculato eecise 6. A cone has a base diamete of 8cm and a height of 5cm. Calculate the volume of the cone. 7. A cone has a base diamete of 0cm and a slant height of cm. Calculate the volume of the cone: s 8. A cone has a base adius of 9cm and a slant height of 5cm. Calculate the volume of the cone. 9. A pyamid has a squae base of side cm and a vetical height of 7cm. Calculate the volume of the pyamid to significant figues. 0. A pyamid has a ectangula base measuing 6mm by mm and a vetical height of 0mm. Calculate its volume.. A Binnit waste bin is in the shape of a cylinde with a hemi-sphee on top. The diamete of the bin is 6cm and the total height is 70cm. Calculate the volume of the bin giving you answe to the neaest lite: 70cm 6cm End of Volume Review
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