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3rd grade (Eureka Math Squared-aligned)

This course contains Khan Academy practice problems crafted to support the Eureka Math Squared (EM2) curriculum. Designed to make it easier for districts, teachers, and students to find and use practice problems that complement EM2 lessons, this course was not produced in official partnership with Eureka Math Squared.

6 units184 videos11 hours

Learn it live with a class on Puzzicle · Teachers: use it with your class

Unit 1: Multiplication and division with units of 2, 3, 4, 5, and 10

Organize, count, and represent a collection of objects

Interpret equal groups as multiplication

Relate multiplication to the array model

Interpret the meaning of factors as numbers of groups or number in each group

Represent and solve multiplication word problems by using drawings and equations

Model measurement and partitive division by drawing equal groups

Model measurement and partitive division by drawing arrays

Represent and solve division word problems using drawings and equations

Demonstrate the distributive property using a unit of 4

Demonstrate the commutative property of multiplication using a unit of 3 and the array model

Model division as an unknown factor problem

Model the quotient as the number of groups using units of 2, 3, 4, 5, and 10

Model the quotient as the size of each group using units of 2, 3, 4, 5, and 10

Represent and solve measurement and partitive division word problems

Represent and solve two-step word problems using the properties of multiplication

Represent and solve two-step word problems using drawings and equations

Unit 2: Place value concepts through metric measurement

Connect the composition of 1 kilogram to the composition of 1 thousand

Estimate the weight of familiar objects and read scaled when weighing objects

Use all four operations to solve one- step word problems involving weight

Connect decomposition of 1 liter to the decomposition of 1 thousand

Use all four operations to solve one- step word problems involving liquid volume

Round to the nearest hundred on the vertical number line

Estimate sums and differences by rounding

Collect and represent data in a scaled bar graph and solve related problems

Use place value understanding to add and subtract like units

Use the associative property to make the next ten to add

Add measurement using the standard algorithm to compose larger units twice

Subtract measurements using the standard algorithm to compose larger units once

Subtract measurements using the standard algorithm to decompose larger across two place values

Solve two- step word problems

Unit 3: Multiplication and division with units of 0, 1, 6, 7, 8, and 9

Decompose pictorial arrays to create expressions with three factors

Model the associative property as a strategy to multiply

Use parentheses in expressions with different operations

Identify patterns by using the multiplication table

Identify and complete patterns with input–output tables

Create multiplication and division word problems

Solve two-step word problems by using the four operations and assess the reasonableness of solutions

Multiply by multiples of 10 by using the place value chart

Multiply by multiples of 10 by using place value strategies and the associative property

Solve two-step word problems involving multiplication of single-digit factors and multiples of 10

Unit 4: Multiplication and area

Explore attributes of squares, rectangles, and trapezoids

Tile polygons to find their areas

Relate side lengths to the number of tiles on a side

Draw rows and columns to complete a rectangular array and determine its area

Determine the area of a rectangle by using side lengths

Multiply side lengths to find the area of a rectangle

Compose large rectangles and reason about their areas

Decompose to find the total area of a rectangle

Apply area understanding to real-world situations

Apply area concepts to a real-world context

Unit 5: Fractions as numbers

Partition a whole into equal parts and name the fractional unit

Partition different wholes into fractional units concretely

Partition a whole into fractional units and write fractions in fraction form

Build non-unit fractions less than 1 from unit fractions concretely

Identify and represent a whole as two non-unit fractions

Compare unit fractions by reasoning about their size concretely

Locate fractions from 0 to 1 on a number line by using fraction tiles

Represent fractions from 0 to 1 on a number line

Identify equivalent fractions from 0 to 1 with tape diagrams and on number lines

Recognize that equivalent fractions share the same location on a number line

Identify fractions on a ruler as numbers on a number line

Measure lengths and record data on a line plot

Represent fractions greater than 1 on a number line and identify fractions equivalent to whole numbers

Compare fractions with like units by using a number line

Compare fractions with unlike units but the same numerator by using number lines

Compare fractions with related units by using a number line

Generate equivalent fractions greater than 1 by using a number line

Express whole numbers as fractions with a denominator of 1

Unit 6: Geometry, measurement, and data

Relate skip-counting by fives on the clock to telling time on the number line

Count by fives and ones on the number line as a strategy for telling time to the nearest minute on the clock

Solve time word problems where the change in time is unknown

Solve time word problems and use time data to create a line plot

Count coins and create money word problems (optional)

Decompose quadrilaterals to understand perimeter as the boundary of a shape

Recognize perimeter as an attribute of shapes and solve problems with unknown measurements

Solve problems to determine the perimeters of rectangles with the same area

Solve problems to determine the areas of rectangles with the same perimeter

Solve real-world problems involving perimeter and unknown measurements by using all four operations

Record measurement data in a line plot

Solve problems by creating scaled picture graphs and scaled bar graphs

Fluently multiply and divide within 100 and add and subtract within 1,000

Learn this with a class

With a class on Puzzicle this course runs as a timetable of live study parties: your batch watches together and answers the check-ins, sometimes with a teacher leading.

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