lesson
Using Ten Frames for Addition Within 20
Use ten frames to model addition within 20.

Use ten frames to model addition within 20.
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7 lessons
Use a variety of strategies to add within 20, including counting on, doubles, near doubles, and making ten, supported by objects and ten frames.
apply basic fact strategies to add and subtract within 20, including making 10 and decomposing a number leading to a 10;
select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems;