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Improve your math skills with these GCSE Higher level revision starters. Practice simplifying expressions, mean calculations, solving equations, and surds questions.
E N D
Find an approximate answer GRADE D 3.56 x 11.04 44 (8.79)² 81 13.2 + 6.78 1.85 10
Simplify (x6)2 GRADE C Simplify x12 Simplify a2 ÷ a5 Simplify a-3
Simplify (2x4y5)3 GRADE B Simplify 8x12y15 Simplify (5a2b3c)2 Simplify 25a4b6c2
GRADE B Simplify 6x4y3 x 5x2y Simplify 30x6y4 Simplify 8a3bc2 x 7ab4c2 Simplify 56a4b5c4
Calculate the mean when 100 people were asked how many pets they own. GRADE C
Calculate the mean when 100 people were asked how many pets they own. Mean number of pets = 218 = 2.18 100
Solve the following GRADE C 5(x + 7) = 45 x = 2 4x - 3 > 21 x > 6 9 < 2x –1 < 21 5 < x < 11 9x + 2 = 15 - x x = 1.3
Surds questions GRADE A Simplify √150 5√6 Simplify 2√7 x 3√7 42 Expand (√5 + 2)(√5 + 3) 11 + 5√5 Simplify 10 √2 5√2