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Achievement Descriptor – 1.Mod5.AD3
1.Mod5.AD2 Represent two-digit numbers within 99 as tens and ones.
RELATED CCSSM 1.NBT.B.2 Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases: 1.NBT.B.2.b The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones. 1.NBT.B.2.c 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).
Partially Proficient Proficient Highly Proficient
Represent two-digit numbers within 50 as tens and ones.
Draw the number with tens and ones. Show the total with a number bond or number sentence.
45
Represent two-digit numbers within 99 as tens and ones.
Draw the number with tens and ones. Show the total with a number bond or number sentence.
71
Represent numbers through 100–120 as tens and ones. Draw the number with tens and ones. Show the total with a number bond or number sentence.
114
1.Mod5.AD3 Determine the values represented by the digits of a two-digit number.
RELATED CCSSM 1.NBT.B.2 Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
Partially Proficient Proficient Highly Proficient
Determine the number represented by given amounts of tens and ones.
Write the total. 6 tens and 3 ones is . Determine the values represented by the digits of a two-digit number. Fill in the number bond.
