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.OA.A.4 – Determine unknown number in multiplication equation

3rd Grade Math 3rd Grade: Operations & Algebraic Thinking (3.OA) 3.OA.A.4 – Determine unknown number in multiplication equation

Determine unknown number in multiplication equation


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3.OA.A.4

Determine the unknown whole number in a multiplication or division equation relating three whole numbers using the inverse relationship of multiplication and division. For example, determine the unknown number that makes the equation true in each of the equations, 8 × ? = 48, 5 = □ ÷ 3, 6 × 6 = ?.

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