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Subtraction Within 1,000
Grade 3 - Math - On Level
Worksheet 1
1What is 802 - 112?
2Which equation matches 300 - 163?
3A library had 492 books. Students borrowed 244 books. How many books remain?
4Estimate first, then choose the exact result for 459 - 410.
5Which place-value statement helps subtract 67 from 800?
6What is 306 - 259?
7Which equation matches 169 - 110?
8A library had 178 books. Students borrowed 117 books. How many books remain?
9Estimate first, then choose the exact result for 214 - 92.
10Which place-value statement helps subtract 515 from 540?
About this worksheet
Subtraction within one thousand asks students to reason about what is left, what is missing, or how much more one quantity has than another. Third graders often know the basic facts but lose track of regrouping when hundreds, tens, and ones all interact. This worksheet keeps subtraction tied to place value and meaning. Students solve exact differences, match equations, interpret take-away and comparison situations, use part-whole models, and check whether an answer is reasonable. Support versions use easier values with fewer regrouping demands. Standard and challenge versions include larger numbers and distractors based on common subtraction slips. Encourage your child to compare the answer with the starting number; a difference should make sense for the story and the size of the numbers.
What your child will learn
Subtract numbers within one thousand
Use place value to separate hundreds, tens, and ones
Interpret comparison problems
Check differences with estimation
Worked example
Five hundred twenty minus one hundred ten is four hundred ten.
Common mistake
Subtracting the smaller digit from the larger digit in each column without regrouping.
Helpful hint
Line up hundreds, tens, and ones before calculating.