====== MA 01.NBT.B.2c   ======


====Standard:====
MA 01.NBT.B.2c The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).  
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====Standard Unpacked:====
The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).  
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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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