MATH Units 3+4

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Across
  1. 3. A number sentence that uses an equal sign to show that the value on the left is the same as the value on the right
  2. 6. The ability to act according to an automatic response. You don’t have to think.
  3. 9. Products found by breaking one factor in a multiplication problem into ones, tens, hundreds… and then multiplying each of those by the other factor.
  4. 10. Strategy involves rethinking a division equation as a missing factor equation.
  5. 11. Multiplying a sum (or difference) by a number is the same as multiplying each number in the sum (or difference) by that number and adding (or subtracting) the product.
  6. 13. A number that is the result of multiplying a positive whole number by itself.
  7. 14. An expression contains numbers and at least one operation (NO EQUAL SIGN)
  8. 16. A strategy that involves changing two factors, halving one and doubling the other
  9. 17. The answer to a multiplication problem.
Down
  1. 1. Factors can be multiplied in any order, and the product stays the same.
  2. 2. Factors can be regrouped, and the product stays the same.
  3. 4. The product of a given number and any non-zero number.
  4. 5. Numbers that are easy to compute mentally.
  5. 7. A number or quantity that, when multiplied with another, produces a given number or expression
  6. 8. A way to display objects in equal rows and equal columns
  7. 12. Model A rectangle is used to model multiplication and division of whole numbers.
  8. 13. A series of steps that is efficient and accurate for calculating (+, -, x, and /)
  9. 15. A solution likely to be correct because it is close to the estimate.