3rd Grade Math

3rd Grade: Operations & Algebraic Thinking (3.OA)
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)
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)
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)
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)
3.G.A.1 – Identify Shapes
3.G.A.2 – Partition Shapes
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3rd Grade: Number and Operations in Base Ten (3.NBT)

3rd Grade Math 3rd Grade: Number and Operations in Base Ten (3.NBT)

Number and Operations in Base Ten (3.NBT)

 


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3.NBT.A.1

Use place value understanding to round whole numbers to the nearest 10 or 100.
RoundingTen408.png

Round to the nearest 10

Round to the nearest 10

START

Round to the nearest 100

Round to the nearest 100

START

3.NBT.A.2

Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
adding two-digits by one digit b

Add Two-Digit number by One-Digit

Add Two-Digit number by One-Digit

START

Subtract Two-Digit number
by One-Digit

Subtract Two-Digit number
by One-Digit

START
adding two-digits by two-digits b

Add Two-Digit number
by Two-Digits

Add Two-Digit number
by Two-Digits

START

Subtract Two-Digit number
by Two-Digits

Subtract Two-Digit number
by Two-Digits

START

Add Three-Digit number
by One-Digit

Add Three-Digit number
by One-Digit

START
adding three digits by two digits a

Add Three-Digit number
by Two-Digits

Add Three-Digit number
by Two-Digits

START
subtracting by two digits a

Subtract Three-Digit number
by Two-Digits

Subtract Three-Digit number
by Two-Digit number

START

Add Three-Digit number
by Three-Digits

Add Three-Digit number
by Three-Digits

START
subtracting-by-three-digits-1273

Subtract Three-Digit number
by Three-Digits

Subtract Three-Digit number
by Three-Digit number

START

3.NBT.A.3

Multiply one-digit whole numbers by multiples of 10 in the range 10–90 using strategies based on place value and properties of operations. (e.g., 9 × 80, 5 × 60)

Multiply One-Digit by Tens

Multiply One-Digit by Tens

START

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