Unit 1

1. Unit 1

2. Place Value the value of the place a digit has in a number example: 15,324 the value of the 5 is 5 thousands or 5,000

3. Compare • to decide if one number is greater or less than another number • use the symbols <,> or = Examples: 35,291 > 32,951 72,874 = 72,874 60,425 < 89,132

4. Expanded Form a number written as the sum of the value of its digits example: 2,476 = 2,000 + 400 + 70 + 6

5. Standard Form a way to write a number showing only its digits. example: 2,476

6. Word Form a number written in words example: two thousand, four hundred seventy-six

7. Equivalent numbers that name the same amount example: 1 gallon = 4 quarts = 8 pints = 16 cups

8. Unit of Measure a quantity used as a standard of measurement example: Units of time are second, minute, hour, day, week, month, year and decade

9. Web Resources • http://learnzillion.com/lessonsets/167-reading-writing-and-comparing-multidigit-whole-numbers • http://learnzillion.com/lessonsets/155-understanding-multidigit-whole-number-place-value-concepts • http://learnzillion.com/lessonsets/352-solving-multistep-word-problems • Sheppardsoftware.com – click on Math games and select Place Value or Measuring