Addition and Subtraction Word Problems Within 1,000
Help your student recognize familiar story structures when the numbers get larger.
Teaching notes for parents and teachers
How to teach it
Have the student describe the action before calculating. Use hundreds, tens, and ones only after agreeing on an equation.
Example to work through together
Use the model below as you explain the example. Have your student point to the quantities as you discuss them.
Already there: 468 counters.
Added: 257 counters.
468 + 257 = 725
Add 200 to get 668, add 50 to get 718, and add 7 to get 725.
703 − 268 = 435
435 + 268 = 703
A place-value method rewrites 703 as six hundreds, nine tens, and thirteen ones before subtracting.
6 × 100 = 600
9 × 10 = 90
13 × 1 = 13
600 + 90 + 13 = 703
Remove 2 hundreds, 6 tens, and 8 ones. That leaves 4 hundreds, 3 tens, and 5 ones: 435.
Ask your student
Would we use the same operation if the numbers were smaller?
If your student needs help
If large numbers distract from the story, discuss a smaller example with the same relationship first.
Make a practice set
Select the worksheet, answer key, or both. When both are selected, the answer key prints after the questions. Keep it separate if you want your student to work independently.
After your student finishes
Compare a child’s equation with the story before checking the written calculation. Use the mixed calculation set when place-value work needs attention, or a smaller-number story set when identifying the relationship is the harder part.
Word problems3rd Grade Multiplication and Division Word Problems
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Word problemsAddition & Subtraction Word Problems Within 100
Choose an operation for a joining or taking-away story, then solve within 100.
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Calculation practiceAddition & Subtraction Within 1,000
Use hundreds, tens, and ones to add or subtract, with room to show your strategy.
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More about addition · Grade 2 worksheets · Grade 3 worksheets
Grade 2 selected skill connection: Selected 2.NBT.B.7 and 2.NBT.B.9: use models or drawings to explain addition and subtraction within 1,000. See the Common Core standards for this grade. This worksheet does not cover every requirement in the standard.
Grade 3 selected skill connection: 3.NBT.A.2 (place-value practice in one-step contexts). See the Common Core standards for this grade. This worksheet does not cover every requirement in the standard.