| A | B |
|---|
| right triangle | one right angle |
| isosceles triangle | two equal sides |
| Equilateral triangle | three equal sides |
| Scalene Triangle | all sides have different length |
| diameter | The distance across a circle through its center point |
| radius | half of the diameter of a circle |
| Circumference | The distance around the edge of a circle (3x diameter) |
| 9 + 7 = 16 | 7 + 9 = 16 |
| 8 X 9 = 72 | 9 X 8 = 72 |
| Associative Property: Addition | the way in which addens are GROUPED does not change the sum |
| Associative Property: Multiplication | The way in which factors are GROUPED does not change the product |
| Commutative Property: Addition | The ORDER of the addens does not change the sum |
| Commutative Property: Multiplication | the ORDER of the factor does not change the product |
| Distributive Property of multiplication | Multiplying a sum by a number is the same as multiplying each adden by the number and adding product |
| Numerator | the number on top of a fraction |
| Denominator | the number on the bottom of a fraction |
| Standard Form | a way to write a number using digits |
| Expand Form | A way to write a number that shows the value of each digit |
| Word Form | the form of a number written using words |
| Area | the number of square units inside a shape (LxW) |
| Perimeter | the distance around a shape |
| elapsed time | how much time an activity took? |
| Rounding/Estimating | when you take a number and "bump it up" or "bump it down" |
