Plus 1, Minus 1
| By: | Nancy Allen |
| Publisher: | Encyclopaedia Britannica, Inc. |
| Print ISBN: | 9781615902941 |
| eText ISBN: | 9781615358021 |
| Edition: | 1 |
| Copyright: | 2013 |
| Format: | Page Fidelity |
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Table of Contents
Hopping on the Number Line represents addition and subtraction using a number line.