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About the Mathematics in This Unit

Benchmarks/Goals Examples
Find factors of numbers up to 100 and recognize multiples of single-digit numbers. Four arrays: a 3 by 14 array, a 6 by 7 array, a 2 by 21 array, and a 1 by 42 array.

Students will work on multiplication and division in two other Grade 4 units later this year. In these units, they solve problems with larger numbers and share a variety of solution strategies.

In our math class, students spend time discussing problems in depth and are asked to share their reasoning and solutions. It is most important that children accurately and efficiently solve math problems in ways that make sense to them. At home, encourage your child to explain his or her math thinking to you.

Please look for more information and activities that will be sent home in the coming weeks.


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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