NAME ______________________________ DATE _______________

HOMEWORK

Composite or Prime?

Determine whether each number is prime or composite. Explain how you know.

  • 1 Is 30 prime or composite? How do you know?

  • 2 Is 57 prime or composite? How do you know?

  • 3 Is 79 prime or composite? How do you know?

  • 4 Is 53 prime or composite? How do you know?

  • 5 Is 97 prime or composite? How do you know?

NOTE

Students identify numbers less than 100 as either prime or composite and explain how they know.

MWI Prime and Composite Numbers


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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