Topic 1

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Across
  1. 3. To write a number as a word
  2. 7. To be equal to, or same as another number
  3. 9. To break down a number to each place value
  4. 10. To make an educational guess
Down
  1. 1. The result of an addition equation
  2. 2. An operation that "Undoes" another operation, such as adding and subtracting
  3. 4. To bring up or bring down a number according to place value
  4. 5. The result of a subtraction equation
  5. 6. The amount of a number, such as hundreds
  6. 8. A number that is added to another