Grades
3rd grade
Students strengthen basic arithmetic skills such as multiplication and division, and begin working with multi-digit numbers. Additionally, geometric concepts such as perimeter, area, and volume are studied.
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- Classifying Numbers into GroupsStart
- Identifying a Number from Place ValuesStart
- Writing a Number from Place ValuesStart
- Finding the Value of a Digit in a PlaceStart
- Relationships Between Place ValuesStart
- Reading Multi-Digit NumbersStart
- Writing Multi-Digit NumbersStart
- Classifying Numbers into Place Value ClassesStart
- Expanded FormStart
- Word Problems on Place ValueStart
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- Adding Three-Digit Numbers Using a Number LineStart
- Adding Three-Digit Numbers Using Expanded FormStart
- Adding Three-Digit Numbers Without RegroupingStart
- Adding Three-Digit Numbers With RegroupingStart
- Adding Three-Digit NumbersStart
- Solving Word Problems with Three-Digit AdditionStart
- Finding the Missing Number in an Addition EquationStart
- Balancing Addition EquationsStart
- Finding Missing Numbers in Column Addition of Three-Digit NumbersStart
- Adding Multiple Numbers in Column FormStart
- Solving Word Problems with Column Addition of Multiple NumbersStart
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- Subtracting Three-Digit Numbers Using a Number LineStart
- Subtracting Three-Digit Numbers Using Expanded FormStart
- Subtracting Three-Digit Numbers Without RegroupingStart
- Subtracting Three-Digit Numbers With RegroupingStart
- Subtracting Three-Digit NumbersStart
- Subtracting from Numbers Containing ZeroStart
- Solving Word Problems with Three-Digit SubtractionStart
- Finding the Missing Number in a Subtraction EquationStart
- Balancing Subtraction EquationsStart
- Finding Missing Numbers in Column Subtraction of Three-Digit NumbersStart
- Adding and Subtracting Three-Digit NumbersStart
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- Addition by Place Values in Ascending OrderStart
- Adding Multi-Digit NumbersStart
- Solving Word Problems with Multi-Digit AdditionStart
- Finding Missing Digits in Column Addition of Multi-Digit NumbersStart
- Finding Missing Numbers in Column Addition of Multi-Digit NumbersStart
- Adding Multiple Multi-Digit Numbers in Column FormStart
- Solving Word Problems with Addition of Multiple Multi-Digit NumbersStart
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- Relationship Between Addition and SubtractionStart
- Adding and Subtracting Three-Digit Numbers Using a Number LineStart
- Adding and subtracting multi-digit numbersStart
- Completing Addition and Subtraction EquationsStart
- Working with Tabular DataStart
- Solving Word Problems with Multi-Digit Addition and SubtractionStart
- Age-Related Logic ProblemsStart
- Finding Two Numbers from Their Sum and DifferenceStart
- CheckpointsStart
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- Multiplying Using Place Value DecompositionStart
- Identifying Multiplication of a Two-Digit Number by a One-Digit Number Using an Area ModelStart
- Multiplying a Two-Digit Number by a One-Digit Number Using an Area ModelStart
- Multiplying a two-digit number by a single-digit numberStart
- Multiplying a two-digit number by a single-digit number in column formStart
- Multiplying a three-digit number by a single-digit numberStart
- Multiplying a three-digit number by a single-digit number in column formStart
- Multiplying Three NumbersStart
- Solving Word Problems with Multiplication of Three NumbersStart
- Multiplying a multi-digit number by a single-digit numberStart
- Multiplying a multi-digit number by a single-digit number in column formStart
- Multiplying a two-digit number by a two-digit numberStart
- Multiplying a two-digit number by a two-digit number in column formStart
- Multiplying a multi-digit number by a two-digit number in column formStart
- Multiplying a multi-digit number by a multi-digit number in column formStart
- Multiplying numbers ending in zeroStart
- Multiplying numbers with a zero in betweenStart
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- Dividing a sum by a numberStart
- Dividing a two-digit number by a single-digit numberStart
- Division with remainderStart
- Division by a single-digit number: Long divisionStart
- Dividing multi-digit numbers with a remainderStart
- Dividing a number with a 0 in the middleStart
- Division of numbers ending in 0Start
- Division of numbers: ProblemsStart
- Long division of a two-digit number by a two-digit numberStart
- Long division of a two-digit number by a two-digit numberStart
- Long division of a three-digit numberStart
- Performing division operationsStart
- Divisors and multiplesStart
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- Multiplying a Number by 0. Dividing Zero by a NumberStart
- Multiplying and Dividing by 1Start
- Multiplying and Dividing a Two-Digit Number by a One-Digit NumberStart
- Multiplying and Dividing a Two-Digit Number by a One-Digit Number: True or FalseStart
- Multiplying and Dividing a Two-Digit Number by a One-Digit Number: Find the Missing NumberStart
- Multiplying and Dividing a Two-Digit Number by a One-Digit Number: Choose the Missing NumbersStart
- Solving Multiplication and Division Word ProblemsStart
- Multiplication and Division: Solving Real-Life ProblemsStart
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- Finding the Area of Shapes Using Unit SquaresStart
- Calculating the Area of Shapes Using Unit SquaresStart
- Selecting Shapes with a Given AreaStart
- Selecting Shapes with the Same AreaStart
- Calculating the Area of a Rectangle Using Unit SquaresStart
- Finding the Area of a Rectangle Partitioned into Squares Using the Distributive PropertyStart
- Calculating the Area of a RectangleStart
- Finding an Unknown Side Length of a RectangleStart
- Calculating the Area of a SquareStart
- Finding an Unknown Side Length of a SquareStart
- Calculating the Area of a Rectangle: Word ProblemsStart
- Finding an Unknown Side Length of a Rectangle: Word ProblemsStart
- Calculating Area Using a Grid OverlayStart
- Area of Irregular ShapesStart
- Finding the Area Between Two RectanglesStart
- Area of Irregular Shapes: Word ProblemsStart
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- Kilograms and gramsStart
- Tons and quintalsStart
- Comparing Units of MassStart
- Balance Scale ProblemsStart
- Mixed section: Mass unitsStart
- Units of length measurementStart
- Operations with units of lengthStart
- Comparing Units of LengthStart
- Determining timeStart
- Matching Analog and Digital ClocksStart
- Identifying Time Written in WordsStart
- Units of time measurementStart
- Operations with units of timeStart
- Units of Time: Word ProblemsStart
- Measuring Temperature with a ThermometerStart
- Units of area measurementStart
- Relationships between units of areaStart
- Units of volume measurementStart
- Relationships between units of volumeStart
- Measuring Liquid VolumeStart
- Comparing Units of VolumeStart
- Choosing the Appropriate Unit of Measurement for a ProblemStart
- Units of measurement: ProblemsStart
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- Identifying Whether a Shape Is a PolygonStart
- Counting and Comparing Sides and VerticesStart
- Identifying PolygonsStart
- Identifying RectanglesStart
- Identifying ParallelogramsStart
- Identifying RhombusesStart
- Identifying TrapezoidsStart
- Classifying Squares, Rectangles, Rhombuses, Parallelograms, and TrapezoidsStart
- CheckpointsStart
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- Counting Paper MoneyStart
- Counting Paper Money: Word ProblemsStart
- ShoppingStart
- Calculating ChangeStart
- Comparing Amounts of MoneyStart
- Comparing Amounts of Money NumericallyStart
- Ordering Amounts of MoneyStart
- Adding and Subtracting Amounts of MoneyStart
- Adding and Subtracting Amounts of Money: Word ProblemsStart
- Working with Price TablesStart
- Finding the Total CostStart
- Finding the Unit PriceStart
- Finding the QuantityStart
- Solving Cost and Price ProblemsStart
- CheckpointsStart
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