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3rd grade

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Intro to multiplication

Multiplication as equal groups: Intro to multiplicationMultiplication on the number line: Intro to multiplicationMultiplication as groups of objects: Intro to multiplication
Multiplication with arrays: Intro to multiplicationMultiplication in contexts: Intro to multiplicationCommutative property of multiplication : Intro to multiplication

1-digit multiplication

Multiply by 0 or 1: 1-digit multiplicationMultiply by 2 or 4: 1-digit multiplicationMultiply by 5 or 10: 1-digit multiplication
Multiply by 3 or 6: 1-digit multiplicationDistributive property: 1-digit multiplicationMultiply by 7, 8, or 9: 1-digit multiplication1-digit multiplication: 1-digit multiplication

Addition, subtraction, and estimation

Rounding to nearest 10 or 100: Addition, subtraction, and estimationEstimate to add multi-digit numbers: Addition, subtraction, and estimationStrategies for adding two and three-digit numbers: Addition, subtraction, and estimationAdding with regrouping within 1000: Addition, subtraction, and estimation
Estimate to subtract multi-digit numbers: Addition, subtraction, and estimationStrategies for subtracting two and three-digit numbers: Addition, subtraction, and estimationSubtracting with regrouping within 1000: Addition, subtraction, and estimationAddition and subtraction missing value problems: Addition, subtraction, and estimationAddition and subtraction word problems: Addition, subtraction, and estimation

Intro to division

Division intro: Intro to divisionDivision in contexts: Intro to divisionRelating multiplication and division: Intro to divisionDivide by 1, 2, or 4: Intro to division
Divide by 5 or 10: Intro to divisionDivide by 3 or 6: Intro to divisionDivide by 7, 8, or 9: Intro to division1-digit division: Intro to division

Understand fractions

Fractions intro: Understand fractionsFractions in contexts: Understand fractionsWhat fractions mean: Understand fractions
Fractions on the number line: Understand fractionsFractions and whole numbers: Understand fractions

Equivalent fractions and comparing fractions

Comparing fractions: Equivalent fractions and comparing fractionsComparing fractions of different wholes: Equivalent fractions and comparing fractionsEquivalent fractions: Equivalent fractions and comparing fractions

More with multiplication and division

Letters and symbols in multiplication and division equations: More with multiplication and divisionMultiplication and division word problems: More with multiplication and divisionAssociative property of multiplication: More with multiplication and division
Multiplying by tens: More with multiplication and division

Arithmetic patterns and problem solving

2-step expressions: Arithmetic patterns and problem solvingEstimation word problems: Arithmetic patterns and problem solvingOne and two-step word problems: Arithmetic patterns and problem solving
Patterns in arithmetic: Arithmetic patterns and problem solving

Quadrilaterals

Quadrilaterals : Quadrilaterals

Area

Area introduction: AreaCount unit squares to find area: AreaArea formula intuition: Area
Multiply to find area: AreaArea and the distributive property: AreaDecompose figures to find area: Area

Perimeter

Perimeter: PerimeterPerimeter of polygons with missing side lengths: PerimeterPerimeter word problems: Perimeter
Comparing area and perimeter: Perimeter

Time

Time on number line: TimeTelling time: TimeElapsed time: Time

Measurement

Mass: MeasurementVolume: Measurement

Represent and interpret data

Picture graphs: Represent and interpret dataBar graphs: Represent and interpret dataLine plots with fractions: Represent and interpret data

Course challenge

Test your knowledge of the skills in this course. Have a test coming up? The Course challenge can help you understand what you need to review.
Community questions