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Numbertime Addition and Subtraction Clips

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  1. Adding near doublesPatterns of Addition

    Duration: 01:35

  2. Difference as a mathematical conceptAddition and Subtraction: Difference

    Duration: 02:42

  3. Using near doubling to solve real life problemsPatterns of Addition

    Duration: 01:34

  4. Subtracting from two-digit numbersAddition and Subtraction: Subtracting one from another

    Duration: 01:30

  5. Subtracting tens and checking with the reverse operationAddition And Subtraction: Plus and Minus

    Duration: 02:17

  6. Strategies for subtracting tens and near tensAddition and Subtraction: Two step subtraction

    Duration: 02:21

  7. Subtracting eleven from a two-digit numberAddition and Subtraction: Patterns of subtraction

    Duration: 00:56

  8. Addition by counting on to the next tenAddition and Subtraction - Two Step Addition

    Duration: 02:16

  9. Adding single units and hundredsAddition and Subtraction - Addition with Partition

    Duration: 01:12

  10. Estimation - rounding numbersAddition and Subtraction: Two step subtraction

    Duration: 02:16

  11. Addition of tens and onesAddition and Subtraction - Addition with Partition

    Duration: 01:02

  12. Using near doubling to solve real life problemsAdding Two Numbers

    Duration: 02:46

  13. Subtraction from a two-digit numberAddition and Subtraction: Subtracting one from another

    Duration: 03:18

  14. Working out difference by counting onAddition and Subtraction: Difference

    Duration: 01:16

  15. Subtraction from a two-digit numberAddition and Subtraction: Subtracting one from another

    Duration: 01:46

  16. Approximation and rounding in subtractionAddition and Subtraction: Two step subtraction

    Duration: 01:36

  17. Addition and subtraction patterns - multiples of 10sAddition and Subtraction: Patterns of subtraction

    Duration: 01:37

  18. Adding near doubles - numbers more than 20Patterns of Addition

    Duration: 00:49

  19. Checking calculations using the inverse operationAddition And Subtraction: Plus and Minus

    Duration: 03:09

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