Across
- 9. the number the dividend is being divided by in a division problem.
- 10. a mathematical phrase involving only numbers and operations
- 13. The answer when two or more factors are multiplied together.
- 14. a letter that represents an unknown number
- 16. opposite operations, or ones that undo each other such as addition and subtraction or multiplication and division
- 20. The third place value after the decimal point; represents 1/1000 of a whole.
- 21. the representation of a number as a product of the digit and its place value 57 = 5 x 10 + 7 x 1; includes multiplication
- 22. the value of a digit as determined by its location in a number
- 23. The first place value after the decimal point; represents 1/10 of a whole.
- 24. a whole number greater than 1 that has more than two factors.
Down
- 1. Numbers that are easy to add, subtract, multiply or divide mentally.
- 2. a whole number greater than 1 with only two factors, 1 and itself
- 3. when a number can be divided by another with a whole number quotient and no remainder.
- 4. the number that is being divided.
- 5. zeros in the decimal part of a number that follow the last non-zero digit; they do not change the value of the number
- 6. numbers that are multiplied together to get a product.
- 7. a mathematical sentence that contains an equals sign.
- 8. the rules that say which calculation comes first when simplifying an expression (PEMDAS)
- 11. the size of each group or number of groups when the dividend is divided by the divisor; the answer to a division problem.
- 12. distance around a figure
- 15. counting numbers and zero; 0, 1, 2, 3..
- 17. expressing a number to the nearest thousandths, hundredths, tenths, and so on as directed.
- 18. a number that is not exact; a careful guess.
- 19. The second place value after the decimal point; represents 1/100 of a whole.
- 25. the representation of a number as a sum of place values like 57 = 50 + 7