Common Core State Standards (EUA)
Grade 3
11 habilidades do Grade 3, cada uma com atividades grátis para praticar. 8 a 9 anos
As descrições são resumos curtos com nossas palavras, não o texto oficial.
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.
Atividades prontas
3.OA.B.6
Understand division as finding an unknown factor (32 ÷ 8 means the number that times 8 makes 32).
Atividades prontas
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.
Para praticar
3.OA.D.9
Spot arithmetic patterns, including patterns in the addition and multiplication tables, and explain them.
Atividades prontas
Number & Operations in Base Ten
3.NBT.A.2
Add and subtract fluently within 1000 using place value and properties of operations.
Atividades prontas
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.
Atividades prontas
Measurement & Data
3.MD.A.1
Tell and write time to the nearest minute and solve problems about time intervals in minutes.
Atividades prontas
3.MD.D.8
Solve problems about the perimeters of polygons, including finding an unknown side length.
Atividades prontas
Geometry
3.G.A.2
Split shapes into parts with equal areas and name each part as a unit fraction of the whole.
Atividades prontas
Language
L.3.2.F
Use spelling patterns and generalisations (word families, syllable patterns, ending rules, word parts) when writing words.