Unit 6: Expressions

Divide fractions, then write and rewrite expressions without changing their value.

Open the unit game · Open models

1. 6-1 How many groupsInterpret division by a unit fraction as how many groups fit.
2. 6-2 Divide a whole by a fractionDivide a whole number by a unit fraction.
3. 6-3 Divide a fraction by a fractionDivide a fraction by a fraction.
4. 6-4 Divide mixed numbersRewrite a mixed number as one fraction before dividing.
5. 6-5 Powers and exponentsEvaluate a power by writing repeated factors.
6. 6-6 Numerical expressionsEvaluate expressions using the agreed order of operations.
7. 6-7 Write algebraic expressionsTranslate a phrase into an expression.
8. 6-8 Evaluate expressionsSubstitute a value into parentheses before multiplying.
9. 6-9 Properties of operationsIdentify a true commutative statement and reject a false one.
10. 6-10 Distributive propertyMultiply a factor through every term in a sum.
11. 6-11 Equivalent expressionsDecide whether two expressions always name the same value.
12. 6-12 Combine like termsAdd only terms with the same variable part.
13. 6-13 Factor expressionsFactor out the greatest common factor of two terms.
14. 6-14 Expressions in contextWrite and evaluate an expression for a starting amount plus a rate.
15. 6-15 Rewrite, then evaluateKeep every term while finding the value of an expression.