Common Core State Standards (USA)
Grade 3
11 standard per Grade 3, ciascuno con schede gratuite che lo esercitano. Età 8–9
Le descrizioni sono brevi riassunti con parole nostre, non la formulazione ufficiale.
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.
Schede già pronte
3.OA.B.6
Understand division as finding an unknown factor (32 ÷ 8 means the number that times 8 makes 32).
Esercitati
Schede già pronte
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.
Esercitati
3.OA.D.9
Spot arithmetic patterns, including patterns in the addition and multiplication tables, and explain them.
Schede già pronte
Number & Operations in Base Ten
3.NBT.A.2
Add and subtract fluently within 1000 using place value and properties of operations.
Schede già pronte
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.
Schede già pronte
Measurement & Data
3.MD.A.1
Tell and write time to the nearest minute and solve problems about time intervals in minutes.
Schede già pronte
3.MD.D.8
Solve problems about the perimeters of polygons, including finding an unknown side length.
Schede già pronte
Geometry
3.G.A.2
Split shapes into parts with equal areas and name each part as a unit fraction of the whole.
Schede già pronte
Language
L.3.2.F
Use spelling patterns and generalisations (word families, syllable patterns, ending rules, word parts) when writing words.