Home › Lesson Plans › Addition & Subtraction within 1,000
Addition & Subtraction within 1,000 — Grade 3 Math
From no-regrouping addition to regrouping across zeros, two-step word problems, and an estimation check — five scripted days of fluency within 1,000.
One-time purchase · 5 days · 20 printables · yours to keep · answer keys included
What you're getting
5 days · 20 printables. Every day ships four PDFs: a word-for-word teacher script, a 16-question student worksheet, a homework half-sheet, and the answer key. One download, one price, yours to keep.
Look inside
Actual pages from the package — this is what your students will see.



Standards addressed
The same five days, mapped to each state's Grade 3 standards — no single-state branding. Teach it anywhere.
Independently mapped by Worksheet Patch. Not reviewed or endorsed by any state department of education.
| State | Program | Grade 3 codes |
|---|---|---|
| Georgia | K-12 Mathematics Standards | 3.PAR.2.1 fluently add & subtract within 1000 3.NR.1.3 round whole numbers to nearest 10 or 100 |
| Florida | B.E.S.T. Standards | MA.3.NSO.2.1 add & subtract multi-digit whole numbers, incl. standard algorithm MA.3.AR.1.2 solve one- & two-step real-world problems MA.3.NSO.1.4 round whole numbers to nearest 10 or 100 |
| Alabama | Course of Study | 2019 AL COS: Mathematics, Grade 3, Standard 11 fluently add & subtract within 1000 2019 AL COS: Mathematics, Grade 3, Standard 8 two-step word problems; check reasonableness via estimation incl. rounding 2019 AL COS: Mathematics, Grade 3, Standard 10 identify nearest 10 or 100 when rounding |
| Kentucky | Academic Standards | KY.3.NBT.2 fluently add & subtract within 1000 using strategies & algorithms KY.3.OA.8 two-step word problems; assess reasonableness via estimation incl. rounding KY.3.NBT.1 round whole numbers to nearest 10 or 100 |
Georgia: 3.NR.1.3 covers Day 5 rounding only; 3.PAR.2.1 covers Days 1-4 fully, Day 5 mixed review (estimation check partial)
Florida: MA.3.AR.1.2 covers Day 4 two-step problems; MA.3.NSO.1.4 covers Day 5 rounding
Alabama: Standards 8 and 10 cover Days 4 and 5 (Std 8 partial on Day 5: reasonableness clause only)
Kentucky: KY.3.OA.8 covers Days 4-5 (partial on Day 5: reasonableness clause only); KY.3.NBT.1 covers Day 5 rounding
Day 1 — Addition within 1000
3.PAR.2.1
- Teacher script — the full lesson, word for word (8 pages: warm-up, explicit instruction, guided practice, close)
- Student worksheet — 16 questions with drawn visuals and scaffolded answer zones (3 pages)
- Homework half-sheet — 8 questions, cut on the dashed line, send home
- Answer key — every answer, checked
Day 2 — Subtraction within 1000
3.PAR.2.1
- Teacher script — the full lesson, word for word (8 pages: warm-up, explicit instruction, guided practice, close)
- Student worksheet — 16 questions with drawn visuals and scaffolded answer zones (3 pages)
- Homework half-sheet — 8 questions, cut on the dashed line, send home
- Answer key — every answer, checked
Day 3 — Regrouping across zeros
3.PAR.2.1
- Teacher script — the full lesson, word for word (9 pages: warm-up, explicit instruction, guided practice, close)
- Student worksheet — 16 questions with drawn visuals and scaffolded answer zones (4 pages)
- Homework half-sheet — 8 questions, cut on the dashed line, send home
- Answer key — every answer, checked
Day 4 — Two-step word problems
3.PAR.2.1
- Teacher script — the full lesson, word for word (5 pages: warm-up, explicit instruction, guided practice, close)
- Student worksheet — 16 questions with drawn visuals and scaffolded answer zones (3 pages)
- Homework half-sheet — 8 questions, cut on the dashed line, send home
- Answer key — every answer, checked
Day 5 — Mixed review + estimation
3.PAR.2.1
- Teacher script — the full lesson, word for word (7 pages: warm-up, explicit instruction, guided practice, close)
- Student worksheet — 16 questions with drawn visuals and scaffolded answer zones (3 pages)
- Homework half-sheet — 8 questions, cut on the dashed line, send home
- Answer key — every answer, checked
One-time purchase · 5 days · 20 printables · yours to keep · answer keys included
Classroom use: teachers may print and copy these materials for their own students — homework, classwork, centers, sub plans, all fair game.
The free worksheets download and print free for your classroom. One-time purchases cover everything else — no subscriptions, yours to keep.
More weeks where that came from
Browse every lesson plan in the line.