Subtraction

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Across
  1. 3. An informal term for subtraction
  2. 5. The process of combining two or more numbers to find a sum
  3. 6. The answer to a subtraction problem
  4. 7. A rectangular model used to show relationships or solve problems
  5. 9. A place in the place value system that represents single units
  6. 11. To make something smaller in size, amount, or number
  7. 12. A place in the place value system that represents groups of ten
  8. 13. The amount by which a value increases or decreases
  9. 14. A place in the place value system that represents groups of one hundred
Down
  1. 1. The value of a digit based on its position in a number
  2. 2. A place in the place value system that represents groups of one thousand
  3. 4. The symbol used to represent subtraction
  4. 8. Objects or drawings that represent something for understanding
  5. 10. To rearrange numbers into different groups to solve a subtraction problem
  6. 15. To take one number away from another