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Add and subtract within 20
Add within 20
Add using arrays
Subtract within 20
Math
2nd grade math
Add and subt...
Add using ar...
Students will explore and use arrays to master addition, enhancing their ability to solve problems within 20 through visual and logical thinking.
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Adding with arrays
Khan Academy
6th - 10th Grade
10 Qs
Repeated addition: haircuts
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