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20 October 2014
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Number: Whole Numbers and Decimals

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Whole Numbers and Decimals lesson plan

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KS3 Bitesize


  • In solving number problems, pupils use a range of mental methods of computation with the four operations ......quick derivation of corresponding division facts.
  • Pupils apply inverse operations.

Bitesize English fish

National Curriculum

  • AT2 level 4, level 5


Teaching activities

Mental Starter

  • Mental recall of multiplication facts up to 10 × 10.
  • Number bonds to 100.
  • "I will give you a number, tell me how much more I need to get to 100?" 63, 28, 105


  1. Give the Whole Numbers worksheet out.
  2. The pupils should read through the first example and the teacher could discuss the links with them.
  3. The pupils complete the first exercise.
  4. The pupils read through the second example and the teacher discusses the links.
  5. The pupils complete the second exercise.


  • A good extension would be to introduce:
    "If 32 × 21 = 672, what is 3.2 × 21?"
  • This could then lead on to questions such as:
    "If 27 × 31 = 837, what is 83.7 ÷ 31?"


  • Lots of quick fire questions on the topic.


  • Teacher-prepared worksheet with number-bond and decimal addition, multiplication and division problems.

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