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About the Mathematics in This Unit

Dear Family,

Our class is starting a new unit called Puzzles, Clusters, and Towers. In this unit, students focus on gaining fluency with multiplication strategies. Students work on understanding division situations and developing strategies for division problems with 1-digit and 2-digit divisors. Throughout the unit, students will be working toward these goals:

Benchmarks/Goals	Examples
Solve 2-digit by 2-digit multiplication problems efficiently.	32 × 28 = ? First, draw an unmarked array. Think of 32 as 30 + 2 and 28 as 20 + 8. Then, find the areas of the rectangles and add. 30 × 20 = 600 2 × 20 = 40 30 × 8 = 240 2 × 8 = 16 600 + 40 + 240 + 16 = 896 d
Solve division problems with 1-digit and 2-digit divisors.	256 ÷ 8 = ? First, think of this as a missing factor problem. 8 × _______________ = 256 Next, break apart 256 into numbers that are multiples of 8. 256 = 240 + 16 Then, find the missing factors and add. 8 × 30 = 240 8 × 2 = 16 30 + 2 = 32

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