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Across

  • 1.When you decrease a number.
  • 5.A symbol used to count.
  • 7.Putting numbers together.

Down

  • 2.Taking one number away from another.
  • 3.When two amounts are the same.
  • 4.A big number, 100.
  • 6.When you increase a number.
  • 8.The number you add or subtract.