## Match Expressions and Words

## Work Time

# Match Expressions and Words

Work with your partner.

- Take turns matching word cards to numerical expression cards.
- Explain to your partner how you know the cards match. Challenge your partner to have clear and complete explanations.
- Evaluate the expression on your own and then check that you agree with your partner.
- Use any extra time to clarify and improve your work.

Hint:

- What is the difference between an expression, such as 8
^{2}+ 2 and an expression with similar quantities and operations, such as (2 + 8)^{2}? - How do you know when parentheses are needed?
- Why are brackets needed in the expression 2[( 7 + 8 ) − 2]?

INTERACTIVE: Card Match