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8th Grade STAAR Math
Formulas, definitions, and concepts related to the 8th Grade Math STAAR test.
Area of a circle | pi x radius^2 |
Circumference | length around a circle |
pi | ratio of circumference to diameter |
"of" means | multiply with fractions/decimals/percents |
"is" means | equals |
When racing, the _____________________ time is the fastest. | Lowest |
Ordering decimals ... | 1. Re-write numbers lined up on decimal points. 2. Place zeros (if needed) 3. Compare one number at a time. |
Adding & Subtracting Decimals | 1. Line up numbers on their decimal points 2. Place zeros (if needed) 3. Add or subtract normally (borrow/regroup if needed) 4. Bring the decimal down. |