Page 1: Card Sort

Directions: Cut apart the cards or separate them. Work with your group to sort cards into equivalent-value sets. Then create comparison pairs using cards that show different rational numbers. Record evidence for each match or comparison.

Challenge: For at least two sets, agree on the most convincing evidence: a calculation, equivalent decimals, a number line, or a real-world meaning.

Page 2: Record, Apply, and Explain

Card Sort Recording

Record four card sets or comparison pairs. Include the comparison symbol when the values are not equal.

Scaffold Box

Key vocabulary: rational number, opposite, additive inverse, absolute value, equivalent, greater than, less than.

Sentence starters: “_____ is greater than _____ because _____.” “I represented this by _____.” “Subtracting _____ is equivalent to adding _____.”

Independent Applications

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