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Curriculum by grade › 3rd Grade › Math
All 36 weeks of 3rd grade math, planned and ready, with the exact topic for every week below. Start with Week 1 free, no card needed.
Open the free Week 1 lesson See plans
Each lesson walks through a worked example, then hands-on or visual practice (ten-frames, fraction bars, number lines, coordinate planes), then a quiz that grades itself.
Topics and standards come straight from the live course. Standards codes are listed for reference; Life Academy is built to help meet homeschool requirements in all 50 states.
| Week | Topic | Standards |
|---|---|---|
| 1 | × as equal groups | CCSS 3.OA.1, 3.OA.3 |
| 2 | × facts 0–5 as equal groups (speed + story) | CCSS 3.OA.7, 3.OA.1, 3.OA.3 |
| 3 | × facts 6–9, then a word problem | CCSS 3.OA.5, 3.OA.7, 3.OA.3 |
| 4 | Division intro | CCSS 3.OA.2, 3.OA.6 |
| 5 | ÷ within 100 | CCSS 3.OA.7, 3.OA.4, 3.OA.6 |
| 6 | Area concepts | CCSS 3.MD.5, 3.MD.6, 3.MD.7 |
| 7 | Perimeter | CCSS 3.MD.8 |
| 8 | Unit fractions | CCSS 3.NF.1, 3.G.2 |
| 9 | Fractions on number line | CCSS 3.NF.2a, 3.NF.2b |
| Week | Topic | Standards |
|---|---|---|
| 10 | Equivalent fractions | CCSS 3.NF.3a, 3.NF.3b, 3.NF.3c |
| 11 | Compare fractions: same numerator or same denominator | CCSS 3.NF.3d |
| 12 | Elapsed time: hours and minutes on a number line | CCSS 3.MD.1 |
| 13 | Scaled graphs | CCSS 3.MD.3 |
| 14 | Multi-step ops | CCSS 3.OA.8, 3.OA.3 |
| 15 | Area/perimeter mix | CCSS 3.OA.8 |
| 16 | Word problems: extra information you should ignore | MP.1 |
| 17 | Fluency facts | CCSS 3.OA.7 |
| 18 | Math battery: multiplication and time mix | CCSS 3.OA.7, 3.MD.1 |
| Week | Topic | Standards |
|---|---|---|
| 19 | Fraction review: same whole, different pieces | CCSS 3.MD.2 |
| 20 | Measurement: grams, liters, and a label | CCSS 3.G.1, 3.G.2 |
| 21 | Geometry | CCSS 2.MD.8 review, 3.NBT.2 |
| 22 | Decimals & money | CCSS 3.OA.3, 3.OA.8 |
| 23 | Money problems | CCSS 3.OA.7, 3.NBT.1, 3.NF.3, 3.MD.1 |
| 24 | Data project | CCSS 3.MD.4 |
| 25 | Problem solving: draw, then compute | CCSS 3.OA.8 with 4.OA.3 preview |
| 26 | Mixed review | CCSS 3.OA.6, 3.OA.5 |
| 27 | Elapsed time across noon and midnight | MP3 |
| Week | Topic | Standards |
|---|---|---|
| 28 | Line plots: lengths to the nearest half-inch | CCSS 3.MD.7, 3.MD.8, 3.MD.1 |
| 29 | Multi-step: two operations with a remainder leftover | CCSS 3.OA.7, 3.NBT.2 |
| 30 | Math games: fact families you can still explain | CCSS 3.NF.2, 3.MD.1, 3.OA.7 |
| 31 | Error analysis: the usual × skip | CCSS 3.NBT.2, 3.OA.7, 3.MD.1 |
| 32 | Choice board | CCSS MP3 |
| 33 | Fluency | MP6 |
| 34 | Spiral review: fractions, time, and × | |
| 35 | Math battery: + − × and elapsed time | |
| 36 | Math fair |
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Week 1 is free with no card needed: open the Week 1 math lesson. Weeks 2–36 unlock with a Student plan ($35/month) or a Family plan for up to 4 students ($69/month).
Plan on about 25–40 minutes a day for math. There is one lesson per week of the school year, broken into short daily steps.
No. Life Academy is not accredited. It's built to help meet homeschool requirements in all 50 states, and parents are the school of record. Why that's usually fine.
Yes. Every lesson prints as a worksheet with a separate parent answer key.
Life Academy is a parent-directed online K–12 curriculum, built to help meet homeschool requirements in all 50 states. It is not accredited, and parents issue the homeschool transcript. Nothing here is legal advice. Check your state's law at HSLDA. Questions? Email david.dukes77102@gmail.com.