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Item description

This CSI themed Math Murder Mystery activity will engage students by taking them on a journey to solve problems and puzzles. Students narrow down the suspects by completing the activities and marking them off from the suspect list until one person is left. The problems in this math mystery focus on mentally adding and subtracting within 20 along with adding and subtracting single digit problems to 2 digit numbers.

This case includes

Clue 1: Using subtraction within 20 using mental strategies.

Clue 2: Adding a 1-digit number to a 2-digit number with regrouping.

Clue 3: Adding two 2-digit numbers without regrouping

Clue 4: Comparing bigger and smaller 2-digit numbers.

Clue 5: Addition of 1-digit numbers to 100 using mental strategies.

Answer sheets are included

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