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Achievement Descriptor – 1.Mod5.AD1
1.Mod5.AD1 Represent a set of up to 99 objects with a two-digit number by composing tens.
RELATED CCSSM 1.NBT.A.1 Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral. 1.NBT.B.2.a 10 can be thought of as a bundle of ten ones — called a “ten.”
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Represent a set of up to 50 objects with a two-digit number by composing tens. Circle all the groups of 10.
Total tens ones Represent a set of up to 99 objects with a two-digit number by composing tens. Circle all the groups of 10.
Total tens ones Represent a set of 100–120 objects with a written numeral by composing tens. Circle all the groups of 10.
Total tens ones
