| A | B |
|---|
| place value | the value given to the place a digit has in a number |
| expanded form | a way to write a number that shows the place value of each digit |
| = | equal to |
| < | less than |
| > | greater than |
| decimal point | a symbol used to separate the ones place from the tenths place in a decimal or dollars from cents in money |
| digits | symbols used to show numbers: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 |
| word form | a way to show a number using words |
| period | a group of three digits in a number that is separated from other groups by a comma |
| exponent | a number that tells how many times another number is used as a factor |
| base | a number multiplied by itself the number of times shown by an exponent |
| decimal | a number that uses a decimal point to show tenths, hundredths, thousandths, and so on |
| standard form | a way to write a number that shows only digits |
| number line | a line that shows numbers in order using a scale |
| equivalent decimals | decimals that name the same amount |
| 10 to the 4th power | 10 x 10 x 10 x 10 |
| one hundred | 10 to the second power (ten squared) |
| 10 x 10 x 10 x 10 x 10 | 100,000 |
| one million | 10 to the 6th power |
| 0.01 | one hundredth |
| 0.6 | six tenths |
| 0.723 | seven hundred twenty-three thousandths |
| 315,703 | three hundred fifteen thousand, seven hundred three |
| 23.09 | twenty-three and nine hundredths |
