NAME ______________________________ DATE _______________

DAILY PRACTICE

Rock On!

Solve each problem. Draw the arrays and write equations. Use another sheet of paper if you need to.

  • 1 Rock bands often stack their speakers in an array. One teen band has 24 speakers. They stack them at least 2 high, but no taller than 8 high. What are all the different arrays they can make?

  • 2 One band has 30 speakers. They stack them at least 3 high, but no taller than 6 high. What are all the different arrays they could make?

  • 3 Another band has 48 speakers. They stack them at least 4 high, but no taller than 6 high. What are all the different arrays they can make?

  • 4 One band has fewer than 40 speakers. They stack them in an array exactly 9 high. How many speakers could they have? Explain how you know.

NOTE

Students find arrays for given numbers with restraints.

MWI Representing Multiplication with Arrays


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Table of Contents

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