3rd grade math
Learn third grade math—fractions, area, arithmetic, and so much more. This course is aligned with Common Core standards.
14 units128 videos8 hours
Learn it live with a class on Puzzicle · Teachers: use it with your class
Unit 1: Intro to multiplication
Multiplication as equal groups
Multiplication on the number line
Multiplication as groups of objects
Multiplication with arrays
Multiplication in contexts
Commutative property of multiplication
Unit 2: 1-digit multiplication
Unit 3: Addition, subtraction, and estimation
Rounding to nearest 10 or 100
Estimate to add multi-digit numbers
Strategies for adding two and three-digit numbers
Adding with regrouping within 1000
Estimate to subtract multi-digit numbers
Strategies for subtracting two and three-digit numbers
Subtracting with regrouping within 1000
Addition and subtraction missing value problems
Addition and subtraction word problems
Unit 4: Intro to division
Division intro
Division in contexts
Unit 5: Understand fractions
Fractions intro
Fractions in contexts
What fractions mean
Fractions on the number line
Unit 6: Equivalent fractions and comparing fractions
Comparing fractions
Comparing fractions of different wholes
Unit 7: More with multiplication and division
Letters and symbols in multiplication and division equations
Multiplication and division word problems
Associative property of multiplication
Unit 8: Arithmetic patterns and problem solving
2-step expressions
Estimation word problems
One and two-step word problems
Patterns in arithmetic
Unit 9: Quadrilaterals
Quadrilaterals
Unit 10: Area
Count unit squares to find area
Area formula intuition
Multiply to find area
Area and the distributive property
Unit 11: Perimeter
Perimeter of polygons with missing side lengths
Perimeter word problems
Comparing area and perimeter
Unit 12: Time
Time on number line
Telling time
Unit 13: Measurement
Unit 14: Represent and interpret data
Picture graphs
Bar graphs
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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