CCRS – 1.NBT.2b

Understand place value.

Understand that the two digits of a two-digit number represent amounts of tens and ones; Understand special cases A, B, C.

b. The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.


More information and the complete College and Career Readiness Standards can be found here.

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