Math standards
3rd Grade Math Standards
All 25 3rd grade Common Core math standards, grouped by area. Each page has a detailed description of the standard, sample questions, and curriculum-specific guidance.
Numbers & Place Value
- 3.NBT.A.1Round numbers to the nearest 10 or 100See guide
- 3.NBT.A.2Fluently add and subtract within 1000See guide
- 3.NBT.A.3Multiply by multiples of 10, like 4 × 70 = 280See guide
- 3.NF.A.1Understand what a fraction means: 3/4 is 3 of 4 equal partsSee guide
- 3.NF.A.2Place fractions on a number lineSee guide
- 3.NF.A.3Find equal fractions, like 1/2 = 2/4, and compare fractions by sizeSee guide
Problem Solving
- 3.OA.A.1Understand multiplication as equal groups, like 5 groups of 7See guide
- 3.OA.A.2Understand division as sharing equally or making equal groupsSee guide
- 3.OA.A.3Use multiplication and division within 100 to solve word problemsSee guide
- 3.OA.A.4Find the missing number, like 7 × ? = 56 or ? ÷ 3 = 6See guide
- 3.OA.B.5Break numbers apart to multiply, like 4 × 7 = (4 × 5) + (4 × 2)See guide
- 3.OA.B.6Use a times fact to divide: 32 ÷ 8 = 4 because 4 × 8 = 32See guide
- 3.OA.C.7Know the times tables by heart, and divide within 100See guide
- 3.OA.D.8Solve two-step word problems: add, subtract, multiply, or divideSee guide
- 3.OA.D.9Spot and explain number patterns, like 3, 6, 9, 12See guide
Measurement & Data
- 3.MD.A.1Tell time to the minute, and work out how many minutes have passedSee guide
- 3.MD.A.2Estimate and measure in grams, kilograms, and litersSee guide
- 3.MD.B.3Read bar graphs and picture graphs to answer "how many more?"See guide
- 3.MD.B.4Measure to the nearest 1/2 or 1/4 inch, and show it on a line plotSee guide
- 3.MD.C.5Understand area: how many squares it takes to cover a flat shapeSee guide
- 3.MD.C.6Find the area of a shape by counting squaresSee guide
- 3.MD.C.7Find the area of a rectangle by multiplying its length and widthSee guide
- 3.MD.D.8Find the perimeter, the distance around a shape, or a missing sideSee guide
Geometry
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