Across
- 4. to arrange a set of numbers based on their numerical value
- 8. a method for estimating a number by increasing or retaining a specific place value digit according to specific rules and changing all trailing digits to zero
- 11. the rules of which calculations are performed first when simplifying an expression
- 12. the representation of a number as a sum of place values where each term is shown as a digit(s) times its place value (e.g., 985,156,789.782 as 9(100,000,000) + 8(10,000,000) + 5(1,000,000) + 1(100,000) + 5(10,000) +6(1,000) + 7(100) + 8(10) + 9 + 7(0.1) + 8(0.01) + 2 (0.001) or as 9(100,000,000) + 8(10,000,000) + 5(1,000,000) + 1(100,000) + 5(10,000) +6(1,000) + 7(100) + 8(10) + 9 + 7 () + 8() + 2 ())
- 15. reasoning to determine an approximate value
- 16. the representation of a number using digits (e.g., 985,156,789.782)
Down
- 1. a sequence of zeros in the decimal part of a number that follow the last non-zero digit, and whether recorded or deleted, does not change the value of the number
- 2. symbols to show a group of terms and/or expressions within a mathematical expression
- 3. the representation of a number as a sum of place values (e.g., 985,156,789.782 as 900,000,000 + 80,000,000 + 5,000,000 + 100,000 + 50,000 + 6,000 + 700 + 80 + 9 + 0.7 + 0.08 + 0.002 or as 900,000,000 + 80,000,000 + 5,000,000 + 100,000 + 50,000 + 6,000 + 700 + 80 + 9 + + + )
- 5. the value of a digit as determined by its location in a number, such as ones, tens, hundreds, one thousands, ten thousands, etc.
- 6. a method for estimating a group of numbers by slightly adjusting some or all of the numbers to allow for easy mental computation
- 7. to consider the value of two numbers to determine which number is greater or less or if the numbers are equal in value
- 9. a symbol used to name a number
- 10. the representation of a number using written words (e.g., 985,156,789.782 as nine hundred eighty-five million, one hundred fifty-six thousand, seven hundred eighty-nine and seven hundred eighty-two thousandths)
- 13. any numeral from 0 – 9
- 14. a number in the base-10 place value system used to represent a quantity that may include part of a whole and is recorded with a decimal point separating the whole from the part