Addition and Subtraction

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Across
  1. 1. the result when you subtract one number from another
  2. 4. a mathematical statement that contains expressions and an equal sign
  3. 5. the sum will be the same regardless of how the addends are grouped
  4. 7. writing a number by showing the value of each digit as an addend
  5. 10. symbol that shows the value is the same between expressions
  6. 13. combining two or more numbers
  7. 14. the number that is subtracted from another number
  8. 15. sums will be the same regardless of the order of the addends
Down
  1. 2. having the same value
  2. 3. a set of steps for solving a math problem
  3. 4. using rounding or compatible numbers to find a reasonable value close enough to the correct value
  4. 6. the result of addition
  5. 8. 12 items
  6. 9. the number that is subtracted from
  7. 11. the numbers that are added together
  8. 12. finding the difference between numbers