Vocabulary

2. an arrangement of rows and columns to show multiplication as repeated addition and division as fair shares.
5. same value.
8. Using a strategy that saves time and effort while still getting the correct answer.
9. The number being divided.
13. the value of a digit based on its position in a number.
14. number expressed as the sum of the values of its digits.
15. The number that divides the dividend.
17. The answer to a division problem.
18. to simplify a number by thinking about the nearest place value.

1. a letter that represents the unknown value in an equation.
3. repeated addition into equal groups
4. a value that has not yet been found
6. To separate a number into equal parts or groups.
7. the position of a digit in a number.
8. a statement that the values of two mathematical expressions are equal.
9. any of the following symbols used to write a number: 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9.
10. a statement with at least two numbers and at least one operation. (no equal sign)
11. a number you multiply with another number to get the product
12. how much a digit is worth based on its place in a number.
13. answer to multiplication problem
15. To break apart a number into smaller, more manageable parts.
16. A method or plan for solving a problem.