Solve Using Arrow Way or Mental Math

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

Addition or Subtraction

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Addition or Subtraction

To fill in the blank and make true number sentences, use place value strategies, number bonds, or the arrow way to break down the problem. For example, with the sentence "____ + 50 = 120," you can use number bonds to find that 120 - 50 = 70. This strategy helps solve by visualizing parts of numbers.