Free math video lessons for 5th grade
This is a collection of free math videos for 5th grade, showing varied exercises for each topic. They match Math Mammoth Grade 5 curriculum but will also work no matter which curriculum you follow (in other words, the videos don't rely on you having Math Mammoth curriculum).
Please choose a topic from the list. I will expand the list as I'm able to edit and upload more videos.
Chapter 1: The four operations
Review: Addition and Subtraction – this lesson uses bar models for addition and subtraction equations, plus teaches some math terms related to addition and subtraction
Review: Multiplication and Division – simple equations, bar models, terminology
The Multiplication Algorithm: 2-by-3 digit multiplication, plus a word problem
More Multiplication: 3-by-3 and 3-by-4 digit multiplications, multiplying numbers with lots of zeros, plus word problems
Divide in Parts (as part of the lesson Long Division in chapter 1)
Long Division with a Two-Digit Divisor
Long Division as Continued Subtraction
Chapter 1: The Four Operations
(Primes and Finding Factors — as a review from 4th grade)
Chapter 2: Large Numbers and the Calculator
Adding and Subtracting Large Numbers
Chapter 3: Problem Solving
Balance Problems and Equations
Problem Solving with Bar Models 1
Problem Solving with Bar Models 2
Problem Solving with Bar Models 3
Problem Solving with Bar Models 4
Chapter 4: Decimals, Part 1
Comparing Decimals — up to 3 decimal digits (thousandths)
Add and Subtract Decimals — Mental Math
Divide Decimals by Whole Numbers 1: long division
Divide Decimals by Whole Numbers 1: word problems
Chapter 5: Graphing
Numerical Patterns in the Coordinate Grid
Chapter 6: Decimals, Part 2
Multiplying Decimals by Decimals 1
Multiplying Decimals and whole numbers: scaling
Divide Decimals — Mental Math, Part 1
Divide Decimals — Mental Math, Part 2
Multiply and Divide Decimals by Powers of Ten
Converting Between Customary Units of Measurement
The Metric System 1 and 2 (2 videos)
Rounding Measurements (for the 2020 edition only)
Chapter 7: Fractions: Add and Subtract
Adding Mixed Numbers, part 1: add and subtract like fractions
Adding Mixed Numbers, part 2
Adding and Subtracting Unlike Fractions
Finding The (Least) Common Denominator
Adding and Subtracting Mixed Numbers
See also: Add and Subtract Fractions – Online Practice
Chapter 8: Fractions: Multiply and Divide
Multiply Fractions by Whole Numbers
Multiply Fractions by Fractions
Fraction Multiplication and Area
Simplifying Before Multiplying
Multiplication as Scaling/Resizing
Dividing Fractions: Sharing Divisions
Dividing Fractions: Fitting the Divisor
Dividing Fractions: the Shortcut
Chapter 9: Geometry
Draw a square with a given side, and copy a triangle (for the 2020 edition only)
Draw a hexagon and measure its angles (for the 2020 edition only)
Classifying Quadrilaterals (2023 edition)
Classifying Quadrilaterals (2020 edition)
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