Free · Printable · TEKS 3.4A,3.5A
Free Grade 3 Addition & Subtraction within 1,000 Worksheets
2,005+ Texas TEKS-aligned practice questions on addition & subtraction within 1,000. Print at home or practice online with a built-in AI tutor. No sign-up. No paywall.
Looking for addition & subtraction within 1,000 worksheets for Grade 3? This page has 2,005+ TEKS-aligned practice questions on this exact topic, mapped to Texas TEKS 3.4A,3.5A. Every question goes through an AI quality gate before publishing — no typos, no wrong answer keys, no factually-broken explanations.
Add and subtract whole numbers fluently using strategies based on place value.
Below: a sample of 8 questions with answers and explanations so you can see what's on the worksheet before you print. Each question has the correct choice marked and a one-line "why" so kids who get it wrong understand the fix.
A library has 348 fiction books and 276 non-fiction books. How many books in all?
- 624 ✓
- 623
- 625
- 626
Why: Add 348 + 276. Ones: 8+6=14, write 4 carry 1. Tens: 4+7+1=12, write 2 carry 1. Hundreds: 3+2+1=6. Total: 624.
Find the sum of 422 and 191.
- 612
- 615
- 614
- 613 ✓
Why: Add the ones, tens, and hundreds, regrouping when a column is 10 or more. 422 + 191 = 613.
390 plus 177 equals what?
- 566
- 569
- 568
- 567 ✓
Why: Add the ones, tens, and hundreds, regrouping when a column is 10 or more. 390 + 177 = 567.
What number is 373 more than 225?
- 598 ✓
- 600
- 597
- 599
Why: Add the ones, tens, and hundreds, regrouping when a column is 10 or more. 225 + 373 = 598.
556 + 114 = ?
- 671
- 670 ✓
- 672
- 669
Why: Add the ones, tens, and hundreds, regrouping when a column is 10 or more. 556 + 114 = 670.
368 take away 278 is what?
- 89
- 91
- 90 ✓
- 92
Why: Subtract starting from the ones place, regrouping when needed. 368 − 278 = 90.
What is 774 − 234?
- 541
- 540 ✓
- 542
- 539
Why: Subtract starting from the ones place, regrouping when needed. 774 − 234 = 540.
What number is 496 less than 931?
- 436
- 435 ✓
- 437
- 434
Why: Subtract starting from the ones place, regrouping when needed. 931 − 496 = 435.
Common questions
Are these worksheets really free?
Yes. Free to print, free to practice online. No email, no sign-up, no paywall. We make money from optional paid features (toy redemption with real cents), not from the worksheets.
What is TEKS 3.4A,3.5A?
TEKS 3.4A,3.5A is the Grade 3 Addition & Subtraction within 1,000 standard from the Texas Essential Knowledge and Skills. Add and subtract whole numbers fluently using strategies based on place value.
How many total questions are available?
2,005+ questions in our Grade 3 Addition & Subtraction within 1,000 bank. Print as many 20-question worksheets as you like — each one pulls a fresh set so your kid doesn't see the same questions twice.
Where do these questions come from?
Generated by our AI pipeline, then quality-gated by two independent models (gpt-4o for content review, Claude Sonnet 4.5 for math verification) before publishing. Every question is tagged to TEKS 3.4A,3.5A and modeled on real STAAR item shapes.