GCSE Higher Revision Starters

Find an approximate answer

3.56 x 11.04 44

(8.79)² 81

13.2 + 6.781.85 10

GRADE D

Simplify (x6)2

Simplify x12

Simplify a2 ÷ a5

Simplify a-3

GRADE C

Simplify (2x4y5)3

Simplify 8x12y15

Simplify (5a2b3c)2

Simplify 25a4b6c2

GRADE B

Simplify 6x4y3 x 5x2y

Simplify 30x6y4

Simplify 8a3bc2 x 7ab4c2

Simplify 56a4b5c4

GRADE B

Calculate the mean when 100 people were asked how many pets they own.

No of Pets Frequency

1 35

2 40

3 7

4 8

5 10

GRADE C

Calculate the mean when 100 people were asked how many pets they own.

No of Pets Frequency Pets x frequency

1 35 35

2 40 80

3 7 21

4 8 32

5 10 50

Totals 100 218

Mean number of pets = 218 = 2.18 100

Solve the following5(x + 7) = 45 x = 2

4x - 3 > 21 x > 6

9 < 2x –1 < 21 5 < x < 11

9x + 2 = 15 - x x = 1.3

GRADE C

Surds questions

Simplify √150 5√6

Simplify 2√7 x 3√7 42

Expand (√5 + 2)(√5 + 3) 11 + 5√5

Simplify 10 √2 5√2

GRADE A