====== MA 01.NBT.B.2a   ======


====Standard:====
MA 01.NBT.B.2a 10 can be thought of as a bundle of ten ones — called a “ten.” 

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====Standard Unpacked:====
10 can be thought of as a bundle of ten ones — called a “ten.”
 
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==== Lesson Plans: ====



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==== Resources: ====
Good Projects here: Illustrative Mathematics https://www.illustrativemathematics.org/1


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