3rd Grade Math

3rd Grade: Operations & Algebraic Thinking (3.OA)
16 Topics
3.OA.A.1 – Understand multiplication using groups
3.OA.A.1 – Understand multiplication with arrays
3.OA.A.2 – Division with groups of objects
3.OA.A.2 – Division with arrays
3.OA.A.3 – Solve Multiplication/Division Word Problems within 100
3.OA.A.4 – Determine unknown number in multiplication equation
3.OA.A.4 – Determine unknown number in division equation
3.OA.B.5 – Associative Property of Multiplication
3.OA.B.5 – Commutative Property of Multiplication
3.OA.B.5 – Distributive Property of Multiplication
3.OA.B.6 – Understand division as unknown factor problem
3.OA.C.7 – Multiply within 100
3.OA.C.7 – Divide within 100
3.OA.D.8 – Solve Two-Step Arithmetic Word Problems
3.OA.D.9 – Identify Addition Patterns
3.OA.D.9 – Identify Multiplication Patterns
3rd Grade: Number and Operations in Base Ten (3.NBT)
12 Topics
3.NBT.A.1 – Round to nearest 10
3.NBT.A.1 – Round to nearest 100
3.NBT.A.2 – Add Two-Digit number by One-Digit
3.NBT.A.2 – Subtract Two-Digit number by One-Digit
3.NBT.A.2 – Add Two-Digit number by Two-Digits
3.NBT.A.2 – Subtract Two-Digit number by Two-Digits
3.NBT.A.2 – Add Three-Digit number by One-Digit
3.NBT.A.2 – Add Three-Digit number by Two-Digits
3.NBT.A.2 – Add Three-Digit number by Three-Digits
3.NBT.A.2 – Subtract Three-Digit number by Two-Digits
3.NBT.A.2 – Subtract Three-Digit number by Three-Digits
3.NBT.A.3 – Multiply Tens by One-Digit
3rd Grade: Number and Operations – Fractions (3.NF)
8 Topics
3.NF.A.1 – Understand Fractions
3.NF.A.2a – Unit Fractions on number line
3.NF.A.2b – Fractions on number line
3.NF.A.3a – Understand equivalent fractions
3.NF.A.3b – Simplify fractions
3.NF.A.3c – Whole Numbers as Fractions
3.NF.A.3c – Fractions Equivalent to Whole Numbers
3.NF.A.3d – Compare Two Fractions with Same Denominator/Numerator
3rd Grade: Measurement and Data (3.MD)
14 Topics
3.MD.A.1 – Tell Time to nearest minute
3.MD.A.2 – Measure Object Mass
3.MD.A.2 – Measure Liquid Volume
3.MD.B.3 – Draw/Interpret Bar Graphs
3.MD.B.3 – Draw/Interpret Picture Graphs
3.MD.B.4 – Measure Length of Object
3.MD.C.5a – Squares and Unit Squares
3.MD.C.5b – Plane Figures and Unit Squares
3.MD.C.6 – Measure Area by unit squares
3.MD.C.7a – Find Area of rectangle by tiling
3.MD.C.7b – Find Area of rectangle by multiplying side lengths
3.MD.C.7c – Area using Area Models / Distributive Property
3.MD.C.7d – Area and Decomposing rectangles
3.MD.D.8 – Area & Perimeter Word Problems
3rd Grade: Geometry (3.G)
2 Topics
3.G.A.1 – Identify Shapes
3.G.A.2 – Partition Shapes
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3.NF.A.2a – Unit Fractions on number line

3rd Grade Math 3rd Grade: Number and Operations – Fractions (3.NF) 3.NF.A.2a – Unit Fractions on number line

Unit Fractions on number line


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3.NF.A.2a

Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.

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