Chapter 4: Using Bar Models: Addition and Subtraction

__Week of 10/23-10/27__Chapter 4: Using Bar Models: Addition and Subtraction

**Vocabulary:****join:**bring together two or more sets**set:**a collection of items**take away:**remove one from the whole**compare:**find out which of two sets has more or fewer things

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**This Week's Objectives:**- Use bar models to solve addition and subtraction problems.
- Apply the inverse operations of addition and subtraction problems.
- Model addition as joining sets.
- Model subtraction as taking away.
- Model addition and subtraction as comparing sets.

__The following are sections we have covered if your child would like extra practice!:__...

- M.7 and B.2
- G.6 and I.3
- H.4 and J.3
- J.5 and H.6
- L.9
- L.10