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Two-step word problems

You learn to solve a word problem with two steps.

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How to work it out

  1. First find the intermediate total.
  2. Calculate that and use the result in the second step.
128 × 5 = 1402150 − 140 = 10

Sarah had 15 pounds. She spent 6 pounds. How much has she got left?

This is one sum: 15 − 6 = 9.

Another example

Sarah had 15 pounds. She spent 6 pounds on a book and 4 pounds on a pen. How much has she got left?

  1. This needs two steps.
  2. First: how much did she spend? 6 + 4 = 10.
  3. Second: how much left? 15 − 10 = 5.