NAME ______________________________ DATE _______________

HOMEWORK

More Related Problems

Solve each pair of problems below. Show your solution for the second problem in each pair.

1 14 × 20 =

14 × 19 =

 This is how I solved 14 × 19:

2 30 × 25 =

28 × 25 =

 This is how I solved 28 × 25:

3 35 × 30 =

35 × 29 =

 This is how I solved 35 × 29:

4 50 × 40 =

50 × 38 =

 This is how I solved 50 × 38:

NOTE

Students practice solving problems in which one factor is 1 or 2 away from a multiple of 10. Sometimes it is helpful to solve problems like these by changing that factor to a nearby multiple of 10 and adjusting the answer.

MWI Multiplication Cluster Problems


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Table of Contents

Investigations 3 in Number, Data, and Space®, Student Activity Book
Contents
Unit 1 Arrays, Factors, and Multiplicative Comparison
Investigation 1
Investigation 2
Unit 2 Generating and Representing Measurement Data
Investigation 1
Investigation 2
Unit 3 Multiple Towers and Cluster Problems
Investigation 1
Investigation 2
Investigation 3
Unit 4 Measuring and Classifying Shapes
Investigation 1
Investigation 2
Investigation 3
Investigation 4
Unit 5 Large Numbers and Landmarks
Investigation 1
Investigation 2
Investigation 3
Unit 6 Fraction Cards and Decimal Grids
Investigation 1
Investigation 2
Investigation 3
Investigation 4
Unit 7 How Many Packages and Groups?
Investigation 1
Investigation 2
Investigation 3
Unit 8 Penny Jars and Towers
Investigation 1
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