3rd Grade

Week 1: Place Value, Addition, and Subtraction

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

**Day 1**: Addition and Subtraction (__Investigations__, Unit 8, Session 1.1)**Paper Clip Problems****Day 2:**Addition and Subtraction in Multiples (__Investigations, Unit 8, Session 1.2__)**Capture from 300 to 600****Day 3:**Estimating Subtraction Problems (Investigations, Unit 8, Session 1.3)**Subtraction****Day 4:**Place Value Drawings (__Math Expressions__, Unit 4, Lesson 1)**Draw for 2 and 3 digit numbers****Day 5:**Place Value (Math Expressions, Unit 4, Lesson 4)**Practice****Additional Math Centers from K-5 Teaching Resources**