In this unit, your child will develop strategies for adding and subtracting whole numbers by using addition charts, mental math, estimation, base ten blocks, place value mats and pencil and paper. The ability to use a variety of strategies to add and subtract leads to the development of strong number sense. Numbers are all around us and the skills taught in this unit are essential for daily living (Math Makes Sense, 2004).
Some ideas for home practice:
- Practice doubles facts regularly (up to 12 + 12)
- Add and subtract two digit numbers with and without regrouping
- Solve word problems that require students to show their work and / or explain their thinking
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