3rd Grade

Week 3: Subtraction Strategies

CA Common Core Standards: Number and Operations in Base 10
Addition and Subtraction: understand concepts addition and subtraction up to 1000.For more detail, go to the COVER PAGE for this unit. |

WEEK 1 AT-A-GLANCE: Investigations, Unit 8, Investigation 3

Finish Sessions 3.6 - 3.9 next week.

**Day 1**: Investigations U8, I3, S3.1 - Collections and Compare**Day 2:**Investigations U8, I3, S3.2 - Travel Problems

**Day 3:**Investigations U8, I3, S3.3 - Assessment (Subtraction Strategies)**Day 4:**Investigations U8, I3, S3.4 - Money Problems and Subtraction Fact Assessment**Day 5:**Investigations U8, I3, S3.5 - Subtracting Whole DollarsFinish Sessions 3.6 - 3.9 next week.

**Additional Math Centers from K-5 Teaching Resources**