GCSE Maths (AQA)

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Number Structure and calculation

Multiplying by 0.1

3:12 apply the four operations, including formal written methods, to integers, decimals and simple fractions (proper and improper), and mixed numbers – all both positive and negative; understand and use place value (eg when working with very large or very small numbers, and when calculating with decimals)
Spec N2
Previous Place Value Next Dividing by 0.1
  • Multiplying by 0.1 is the same as dividing by 10.
  • Multiplying by 0.1 shifts the digits one place to the right.
  • Multiplying by 0.01 shifts the digits two places to the right.
  • To calculate 1.7 times 0.1, shift the digits one place to the right.
  • To calculate 16 times 0.01, shift the digits two places to the right.
  • Compare the two values to determine which is larger.

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264

questions for Number

210

questions for Structure and calculation