Grade 8 Rational Numbers + Linear Equations

hirensangani — 2015-04-26 16:39:30 UTC

1. a . Express -30/-42 with denominator 7

b. Write -7/5 with Numerator 49

2. Arrange the following in Descending order :

3/10, -4/15 , -11/20 , 19/30

3. a . Simplify : 6/19 + (-3/57)-(-12/38)

b. Subtract 5/12 from 13/20

4. i) -5/16 x A = 4/18. A= _______________

ii) Simplify : 6/7 ÷ 7/9

5. a . Solve : 5x+2 = 3x + 12

b. 2x+4 = 5x-7

6. Solve : (x+2) / 5 - (x-1) / 2 = (3x-9) / 2

7. Solve : (x+1)/4 = (2x-1)/4 – 1 / 2

8. Solve : 0.3(6+t) = 0.4(8-t)

9. Solve : 300 -2(x+22) – 2x = 20

10.The sum of 3 consecutive natural numbers is 15. Find the numbers.

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hirensangani — 2016-08-16 10:24:20 UTC