Calculator and number skills (Edexcel GCSE Maths): Flashcards

Squares a number (multiplies it by itself)

Cubes a number (multiplies it by itself three times)

Finds the reciprocal (1 divided by the number)

Calculates the square root of a number

Calculates the cube root of a number

Brackets, Indices, Division, Multiplication, Addition, Subtraction

Brackets

1 divided by that number

Flip the fraction upside down

$\frac{1}{7}$

$\frac{4}{3}$

Always gives 1

Only round the final answer, not intermediate results

Work out numerator and denominator separately, then divide

Leads to significant errors and costs marks