3rd Grade Math: the year at a glance
11 units · 53 lessons · based on Common Core State Standards for Mathematics, Grade 3 — typical US scope & sequence. Every unit ends with a review & assessment day.
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Unit 1: Meaning of multiplication 3.OA.A.1
Interpret products as equal groups (5 × 7 = 5 groups of 7) · Use arrays, equal groups and number lines to multiply
- Equal groups3.OA.A.1
- Arrays3.OA.A.1
- Skip-counting on a number line3.OA.A.1
- Multiplication word problems3.OA.A.3
- Multiplying by 2, 5 and 103.OA.C.7
- Review & assessment
Unit 2: Meaning of division 3.OA.A.2
Interpret division as sharing or grouping · Relate division to multiplication as an unknown-factor problem
- Sharing equally3.OA.A.2
- Making equal groups3.OA.A.2
- Division as unknown factor3.OA.B.6
- Unknowns in equations3.OA.A.4
- Division word problems3.OA.A.3
- Review & assessment
Unit 3: Properties & multiplication facts 3.OA.B.5
Use commutative, associative and distributive properties to multiply · Fluently multiply and divide within 100
- Commutative property3.OA.B.5
- Facts of 3, 4 and 63.OA.C.7
- Distributive property3.OA.B.5
- Facts of 7, 8 and 93.OA.C.7
- Associative property3.OA.B.5
- 0 and 1 rules3.OA.B.5
- Fact fluency check3.OA.C.7
- Review & assessment
Unit 4: Area 3.MD.C.7
Measure area by counting unit squares · Relate area to multiplication and addition
- What is area?3.MD.C.5
- Square units3.MD.C.6
- Area by multiplying3.MD.C.7b
- Area and the distributive property3.MD.C.7c
- Area of combined rectangles3.MD.C.7d
- Review & assessment
Unit 5: Place value, rounding & adding/subtracting within 1,000 3.NBT.A.2
Round to the nearest 10 or 100 · Fluently add and subtract within 1,000
- Rounding to the nearest 103.NBT.A.1
- Rounding to the nearest 1003.NBT.A.1
- Estimating sums and differences3.NBT.A.1
- Adding within 1,0003.NBT.A.2
- Subtracting within 1,0003.NBT.A.2
- Review & assessment
Unit 6: Multiplying by multiples of 10 & patterns 3.NBT.A.3
Multiply one-digit numbers by multiples of 10 · Identify arithmetic patterns
- Multiplying by multiples of 103.NBT.A.3
- Patterns in the multiplication table3.OA.D.9
- Two-step word problems3.OA.D.8
- Reasonable answers3.OA.D.8
- Review & assessment
Unit 7: Fractions as numbers 3.NF.A.1
Understand a unit fraction 1/b as one part of a whole split into b equal parts · Place fractions on a number line
- Equal parts of a whole3.NF.A.1
- Fractions a/b3.NF.A.1
- Fractions on a number line3.NF.A.2
- Fractions greater than 13.NF.A.2
- Whole numbers as fractions3.NF.A.3c
- Review & assessment
Unit 8: Equivalent & comparing fractions 3.NF.A.3
Recognize and generate simple equivalent fractions · Compare fractions with the same numerator or denominator
- Equivalent fractions with models3.NF.A.3a
- Equivalent fractions on number lines3.NF.A.3b
- Compare with the same denominator3.NF.A.3d
- Compare with the same numerator3.NF.A.3d
- Fractions in word problems3.NF.A.3d
- Review & assessment
Unit 9: Time, liquid volume & mass 3.MD.A.1
Tell time to the minute and find elapsed time · Measure liquid volume and mass in liters, grams and kilograms
- Time to the minute3.MD.A.1
- Elapsed time3.MD.A.1
- Liquid volume3.MD.A.2
- Mass3.MD.A.2
- Review & assessment
Unit 10: Data: scaled graphs & line plots 3.MD.B.3
Draw scaled picture and bar graphs · Make line plots with halves and quarters of an inch
- Scaled picture graphs3.MD.B.3
- Scaled bar graphs3.MD.B.3
- Line plots with fractions3.MD.B.4
- Review & assessment
Unit 11: Perimeter & shapes 3.MD.D.8
Find perimeter and unknown side lengths · Classify quadrilaterals by their attributes
- What is perimeter?3.MD.D.8
- Unknown side lengths3.MD.D.8
- Same perimeter, different area3.MD.D.8
- Quadrilaterals3.G.A.1
- Partition shapes into equal areas3.G.A.2
- Review & assessment