Year8 Term2 Exam REVISION

Index Laws

100

5x5x5x5x5x5

5⁶

200

6⁸ / 6²

6⁶

300

9⁰  is the same as....

1

400

(t⁵)²

t¹⁰

500

7⁴ / 7⁴

=7⁰  =1

4 Integer Ops

100

8 - 11

- 3

200

5 × -1

- 5

300

- 6 + 3

- 3

400

-12/ -4

3

500

- 14 - - 1

- 13

Fractions/Decimals

100

 1/10 + 4/10

5/10 = 1/2

200

5.9 - 2.01

3.89

300

3/5 × 4/6

12/30 = 4/10 = 2/5

400

0.25 ÷ 0.5

0.5

500

4/8 - 1/2

0

Rational?

100

0.75

rational

200

pi

irrational

300

-8

rational

400

square root of 3

irrational

500

If a fraction has a denominator of 0, is it rational?

No

Expand/Factorise

100

2(5+2)

10 + 4 = 14

200

x(2-y)

2x - xy

300

4x(3x+5)

12x² + 20x

400

20 - 4x

4 (5 - x)

500

ace - raced

ace (1 - rd)