Add and Subtract to 20In Unit 3, students will use number bonds, pictures, and equations to represent teen numbers. Students will add numbers together that will equal a sum greater than 10, using drawings, number bonds, and ten frames. Students will also use the make a ten strategy when there are two or three addends, and use the make a ten strategy to subtract numbers. Please see attached family letters for each lesson of this unit.
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February 2018
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