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2- and 3-digit subtraction and addition practice

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  • Use a number line to help you subtract 180 - 45
    135
  • Use the hundred chart to help you add 37 + 63
    100
  • Use a number line to help you subtract 130 - 60
    70
  • If I want to SUBTRACT/TAKE AWAY 10, do I move up or down on the hundred chart?
    UP! The numbers get smaller as you move up on the hundred chart.
  • Use the hundred chart to help you subtract: 42 - 30 = ?
    42 - 30 = 12 Move up 3 spaces to take away 3 tens (30).
  • Use the hundred chart to help you subtract 98 - 45
    53
  • If I want to SUBTRACT/ TAKE AWAY 1, do I move left or right on the hundred chart?
    Left
  • Use a number line to help you subtract 730 - 150
    580
  • Use the hundred chart to help you add: 37 + 20 = ?
    37 + 20 = 57 Move down 2 spaces to add 2 tens (20).
  • Use a number line to subtract 100 - 65
    35
  • Use the hundred chart to help you subtract 45 - 13
    32
  • Use a number line to help you subtract 560 - 180
    380
  • Use the hundred chart to help you add 29 + 70
    99
  • Use the hundred chart to help you add 45 + 45
    90
  • Use a number line to subtract 63 - 45
    18
  • If I want to ADD 10, do I move up or down on the hundred chart?
    DOWN! The numbers get bigger as you move down on the hundred chart.
  • Use the hundred chart to help you add 13 + 65
    78
  • Use a number line to help you subtract 150 - 90
    60
  • Use the hundred chart to help you subtract 63 - 47
    16
  • Use the hundred chart to help you subtract 54 - 29
    25
  • If I want to ADD 1, do I move left or right on the hundred chart?
    Right
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