Series Title: Math Talk
Unit 2: Number Sense
A computer game powerfully illustrates arithmetic with positive and negative numbers. Using pyramid puzzles, your students will become more familiar with the addition of positive and negative integers in a context that requires careful reasoning.
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Ideal for grade: 4-6
Length: 15 minutes
Closed Captioned
Series Title: Math Talk
Produced by: Children's Television Workshop © 1996
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