What should you do first to simplify this expression?
Simplify what is in the parentheses.
Simplify both expressions in parentheses. What do you get? Explain your answer.
What should you simplify next?
Simplify the exponents. What do you get?
They are rational; any number that can be written as a fraction or repeating decimal is a rational number.
What do you need to do before you can divide
Rewrite the fraction as a decimal or rewrite the decimal as a fraction.
How can you rewrite
Encourage students to rewrite
What did Carola do wrong?
She forgot to add
Simplify the expression completely. What do you get?
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