Everyday Mathematics4 at Home |
Unit Resources |
Grade 1 Unit 2: |
Background Information |
Lesson 2-10 Vocabulary
Number model
A group of numbers and symbols that shows how a number story can be solved. For example, 10 - 6 = 4 and 10 - 6 are each number models for the following story: I had 10 bookmarks. I gave 6 away. How many did I have left?