Use knowledge of number operations and corresponding inverses, including doubling and halving, to estimate and check calculations

Use knowledge of number operations and corresponding inverses, including doubling and halving, to estimate and check calculations

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  Balancing Sums

  An excellent tool for reinforcing an understanding of the role of the equals sign. Choose one objective, or many. You can choose all the objectives for a single year group (or multiple year groups). You can also choose to balance between different types of calculations (eg addition and multiplication). 

  For more addition and subtraction resources click here.

  Game availability:

  • Online in Flash format
  • As an iPad or iPhone app via the App Store

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  Balancing Sums ?
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  Placing Calculations on a Number Line

  Place the answer to calculations on a number line. An enormous array of choice. Addition, subtraction, multiplication and division. Ranging from adding numbers to 10 to multiplying 4 digit numbers. Great for combining teaching calculations and approximations with developing an understanding of place value.

  For more resources involving partitioning and place value click here.

  For more addition and subtraction resources click here.

  For more multiplication and division resources click here.

  Game availability:

  • Online in Flash format

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  Placing Calculations on a Number Line ?