3rd grade math (TX TEKS)
Build confidence and problem-solving skills with fun, visual lessons on multiplication, division, fractions, area, and more. Aligned with TX TEKS standards and rooted in real-world examples and clear strategies.
12 units172 videos11 hours
Learn it live with a class on Puzzicle · Teachers: use it with your class
Unit 1: Foundations of numbers
Modeling with place value blocks and tables
Writing whole numbers
Comparing and ordering whole numbers
Unit 2: Addition and subtraction
Understanding relative size
Estimate to add and subtract
Rounding to the nearest 10 or 100
Strategies for adding within 1,000
Adding within 1,000
Strategies for subtracting within 1,000
Subtracting within 1,000
Addition and subtraction word problems
Representing one-step word problems ✓ Check-ins3:33
Three digit addition word problems ✓ Check-ins2:33
Three digit subtraction word problems ✓ Check-ins2:53
Representing 2-step word problems ✓ Check-ins3:36
Adding and subtracting 2-step word problems ✓ Check-ins3:51
Double subtraction 2-step word problem ✓ Check-ins4:01
Money
Unit 3: Building an understanding of multiplication
Multiplication as equal groups
Multiplication on the number line
Multiplication as groups of objects
Multiplication with arrays
Multiplication in contexts
Unit 4: Data analysis
Unit 5: Relating multiplication to division
Division introduction
Relating multiplication and division
Commutative property of multiplication
Associative property of multiplication
Distributive property of multiplication
Multiplication and division word problems
Unknowns with multiplication and division ✓ Check-ins5:18
Division in context ✓ Check-ins3:53
Solving division word problems: How many groups? ✓ Check-ins2:06
Solving division word problems: How many in each group? ✓ Check-ins1:42
Multiplication word problem: soda party ✓ Check-ins2:12
Division word problem: blueberries ✓ Check-ins4:03
Multiplication word problem: parking lot ✓ Check-ins2:06
Division word problem: school building ✓ Check-ins4:19
Even and odd numbers
Unit 6: Representing fractions
Introduction to fractions
What are fractions?
Decomposing fractions
Fractions on the number line
Fractions and whole numbers
Unit 7: Application of multiplication
Use strategies to multiply 2-digit by 1-digit numbers
Multiply 2-digit by 1-digit numbers
Unit 8: Personal financial literacy
Earning income
Using credit
Making a savings plan
Costs and resources
Unit 9: Algebraic expressions
Simplifying 2-step expressions
Estimation word problems
Solving 1 and 2-step word problems
Patterns in arithmetics
Picture graph 2-step word problems
Bar graph 2-step word problems
Unit 10: Two- and three-dimensional figures
Quadrilaterials
Classify shapes
Unit 11: Fractions - equivalency and comparisons
Comparing fractions
Comparing fractions of different wholes
Unit 12: Measurement
Telling time
Elapsed time
Measurement (units of length)
Measurement (mass)
Measurement (volume)
Area formula intuition
Multiply to find area
Area and the distributive property
Decompose figures to find area
Perimeter of polygons with missing side lengths
Perimeter word problems
Comparing area and perimeter
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.
Course content © Khan Academy, used under CC BY-NC-SA. See this course on Khan Academy.