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CLIP 10232

Adding three numbers - problem solving

Adding three numbers - problem solving

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Key Info
  • Adding three numbers - problem solving
  • Duration: 01:33
  • In this animation an ant needs to work out if there is enough space to house 29 ants in 3 houses. A friend suggests she counts how many ants can go into each house to see if there are the right number of spaces. The spaces are counted - there are 13, 7 and 9. On a note pad, the ant adds 13 and 7 to make 20, then adds the 9 to make 29 - so there are enough spaces.
  • Subject:



    Problem Solving: Numbers and Calculations

  • Keywords: addition, adding, calculation, number bonds
Ideas for use in class
  • To show how to solve problems involving the addition of three numbers. To show how number bonds can be used to do mental calculations with jottings.
Background details
  • Clip language : English
  • Aspect ratio : 16x9

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