Order of Operations:
First, do ( )
Then, do multiplication and division
Last, do addition and subtraction
Always move from left to right!!
(5 x 4) - 3 =
20 - 3 = 17
Measurement
Table of Length Conversions
| 12 inches | 1 foot |
| 3 feet | 1 yard |
| 5,280 feet | 1 mile |
| 1,760 yards | 1 mile |
| 10 millimeters | 1 centimeter |
| 10 centimeters | 1 decimeter |
| 10 decimeters | 1 meter |
| 1,000 meters | 1 kilometer |
Table of Mass Conversions
| 16 ounces | 1 pound |
| 14 pounds | 1 stone |
| 2,000 pounds | 1 tons |
| 1,000 milligrams | 1 gram |
| 1,000 grams | 1 kilogram |
| 1,000 kilograms | 1 tonne |
Table of Volume Conversions
| 16 ounces | 1 pint |
| 2 cups | 1 pint |
| 2 pints | 1 quart |
| 4 quarts | 1 gallon |
| 1,000 milliliters | 1 liter |
How HOT or COLD?
Ways to write a number:
Standard 4,236,197
Expanded 4,000,000 + 200,000 + 30,000 + 6,000 + 100 + 90 + 7
Words four million, two hundred thirty-six thousand, one hundred ninety-seven
Words and Numbers
4 million, 2 hundred 36 thousand, 1 hundred 97
The value of a number tells what the number is worth.
ex. 64,329 in this number the value of the 4 is 4,000
the value of the 2 is 20
The place of a number tells the name of the numbers location.
ex. 64,329 in this number the place of the 4 is the one thousand's place
the place of the 2 is the ten's place
Place Value