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Unit: Variables & expressions
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About this unit
A variable is a symbol that represents a value, often one that changes, like how long you've been awake. Learn ways that we can change an expression's value (such as by changing the values of its variables) or keep the value the same (such as with the distributive property).Learn
Practice
- Evaluating expressions with one variableGet 5 of 7 questions to level up!
- Variable expressions with exponentsGet 3 of 4 questions to level up!
Learn
Practice
- Evaluating expressions with multiple variablesGet 3 of 4 questions to level up!
- Evaluating expressions with multiple variables: fractions & decimalsGet 3 of 4 questions to level up!
Practice
- Expression value intuitionGet 3 of 4 questions to level up!
Learn
Practice
- Evaluating expressions with variables word problemsGet 3 of 4 questions to level up!
Learn
Practice
- Writing basic expressions with variablesGet 5 of 7 questions to level up!
- Writing expressions with variablesGet 3 of 4 questions to level up!
Learn
Practice
- Greatest common factorGet 5 of 7 questions to level up!
- Factor with the distributive property (no variables)Get 5 of 7 questions to level up!
Learn
Practice
- Distributive property with variablesGet 3 of 4 questions to level up!
- Create equivalent expressions by factoringGet 3 of 4 questions to level up!
- Factor with distributive property (variables)Get 3 of 4 questions to level up!
Learn
Practice
- Combining like termsGet 3 of 4 questions to level up!
Practice
- Equivalent expressionsGet 5 of 7 questions to level up!
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