Standard:
CC.2.1.2.B.3 Use place value understanding and properties of operations to add and subtract within 1000
I can...
use place value strategies to add and subtract within 1000
solve problems with missing addends or subtrahends
evaluate addition and subtraction problems for mistakes
LEARNING SCALE
With help, the student demonstrates partial success at 2.0 and 3.0.
I can understand that, in subtracting three-digit numbers, one subtracts hundreds and hundreds, tens and tens, ones and ones
Vocabulary: equation, place value (ones, tens, hundreds, thousands), difference, expanded form, regrouping
I can:
Represent and solve subtraction problems, including word problems from 1000.
Explain why subtraction strategies work, using place value and the properties of operations.
SUPPORTING RESOURCES