Addition and Subtraction Within 100: October 3rd-November 22nd
Throughout this 7 week unit students will be working on the following objectives:
1. Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions.
2. Fluently add and subtract within 20 using mental strategies.
3. Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.
Addition and Subtraction Fact Strategies These are strategies students will continue working on throughout this unit. Encourage you child to use these strategies when solving basic addition and subtraction facts.
Online Games Below are games your child can play online to build on their addition and subtraction skills
Addition and Subtraction Powerpoints: Great Resource! This site has addition and subtraction powerpoints that students can play. They can play the timed or untimed version. Each powerpoint works on a specific addition or subtraction strategy