Common Core State Standards (US)
Grade 3
11 standards for Grade 3, each with free sheets that practise it. Ages 8–9
Descriptions are short summaries in our own words, not the official wording.
Operations & Algebraic Thinking
3.OA.A.2
Understand whole-number division as sharing equally or making equal groups.
3.OA.A.4
Find the unknown number in a multiplication or division equation, such as 8 × ? = 48.
3.OA.B.6
Understand division as finding an unknown factor (32 ÷ 8 means the number that times 8 makes 32).
Practise it
3.OA.C.7
Multiply and divide fluently within 100 and know all products of two one-digit numbers from memory by the end of Grade 3.
Practise it
3.OA.D.9
Spot arithmetic patterns, including patterns in the addition and multiplication tables, and explain them.
Number & Operations in Base Ten
3.NBT.A.2
Add and subtract fluently within 1000 using place value and properties of operations.
Number & Operations: Fractions
3.NF.A.1
Understand a unit fraction 1/b as one of b equal parts of a whole, and a/b as a of those parts.
Measurement & Data
3.MD.A.1
Tell and write time to the nearest minute and solve problems about time intervals in minutes.
3.MD.D.8
Solve problems about the perimeters of polygons, including finding an unknown side length.
Geometry
3.G.A.2
Split shapes into parts with equal areas and name each part as a unit fraction of the whole.
Language
L.3.2.F
Use spelling patterns and generalisations (word families, syllable patterns, ending rules, word parts) when writing words.