Practice Sheet 7 on Linear Equations

Practice Sheet 6 on Properties of Parallel Lines

Practice Sheet 5 on Lines and Angles

PRACTICE SHEET 5

•        Find the angle which is equal to its supplement.
•      Find the angle which is equal to its supplement.
• .       Find x:

  

•  .       If two supplementary angles are in the ratio 1:2, then find the bigger angle.
•            If the complement of an angle is 62⁰, then find its supplement.
•        Find unknown
  

Practice Sheet 4 on Rational Numbers

Practice Sheet 3 on Fractions

Practice Sheet 2 on Exponents

PRACTICE SHEET 2

•    Write in power notation:

(a)    (-7)×(-7)×(-7)×(-7)

(b)   (5/3)×(5/3) ×(5/3)

• 2.       Express in power notation: (a)(-1/128)  (b)27/64

• 3.       Express as rational number: (a) (-4/5)³   (b) (-3/4)⁴  (c)  (-6)^-1

• 4.       Find the reciprocal: (-4)³

• 5.       Simplify:

(i)                  (-4)⁰

(ii)                (4⁰+7⁰)

(iii)               (5/4)^-4(5/4)²

(iv)              (2/3)³×(6/4)²

(v)                (5^-1-7^-1)^-1

(vi)              ((-2/3)²)³

(vii)             (-3/2)³÷(-3/2)⁶

• 6.       By what number should (-4)^-1 be multiplied so that the product is (-6)^-1?

• 7.       By what number should (-3)^-1 be divided to get (-8)^-1?

• 8.       Find x: (3/5)³×(3/5)^-6=(3/5)^2x-1

• 9.       (9ⁿ×3²×3ⁿ-27ⁿ)/ ((3³)⁵×2³)=1/27, find the value of n

• 10.   Simplify: (2⁴×10²×25)/(5²×6³)

Practice Sheet 1 on Integers and Decimals

PRACTICE SHEET 1

1.      Evaluate: (-7)+(-18)

2.      Subtract (-66) from 54.

3.      The sum of two integers is -23. If one of them is 54, find the other.

4.      Multiply: (-12)×(-17)×(10)

5.      Simplify: (-17)×18+(-3)×18

6.      In a class test containing 10 questions, 5 marks are awarded for every correct answer and (-3) marks are awarded for every incorrect answer. Ravi gets 6 correct and 4 incorrect answers. What is his score?

7.      Divide: (-105)÷21

8.      Find x:  (a) x÷(-4)=24

        (b)65÷x=(-5)

9.      Convert into a fraction in its simplest form: (a) 0.04  (b) 2.85

10.   Convert into decimal:17/20

11.   Express 356 km in cm, m and dm.

12.   Arrange in ascending order: 7.5, 8.34, 4.06, 40.6,7.005

13.   Subtract: 78.909 from 83.

14.   By how much should 64.3 be decreased to get 43.67?

15.   Find the product: 4.5×3.5×0.03

16.   Divide: 3.28 by 0.8

17.   1 kg of milk has 0.256 kg of fat. How much fat is there in 13.5 kg of milk?

18.   A bus can cover 57.5 km in one hour. How much distance can it cover in 14 hours?

19.   The product of two decimals is 1.5008. If one of them is 0.56, find the other.

20.   How many pieces of plywood, each 0.35 cm thick, are required to make a pile 1.89 m high?