Complete the table. Use the “calculations” columns to show the calculations used to move from the row before to the current row. A few have been filled in as an example.

Take turns with your partner to match the expressions from the list that are equivalent to the original expression.

• For each match that you find, explain to your partner how you know it’s a match.
• For each match that your partner finds, listen carefully to their explanation. If you disagree, discuss your thinking and work to reach an agreement.