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.
Bar models for addition and subtraction equations, plus addition and subtraction terms
Review of concepts related to multiplication and division: simple equations, bar models, terminology
Long division with a twodigit divisor
Long division as continued (repeated) subtraction
(Introduction to primes — as a review from 4th grade)
Prime factorization using factor trees
Problem solving with bar models: fractional part of a whole
Using bar models: a word problem where total and difference are given
More problem solving with bar models, part 1
More problem solving with bar models, part 2
Decimal place value and adding decimals, up to 2 decimal digits
Decimal place value (to thousandths)
Fractions to decimals, and comparing decimals — up to 3 decimal digits (thousandths)
Add & subtract decimals using mental math
Multiplying decimals and whole numbers: scaling
Multiplying decimals by decimals: the shortcut
Long division with decimals, plus fractions to decimals
Divide decimals with mental math, part 1: sharing divisions (wholenumber divisor)
Divide decimals with mental math, part 2: divisor is a decimal
Multiply and divide decimals by powers of ten
Decimal division: problem solving
Decimals in measuring units — introduction
Basics of the metric system and the prefixes
Numerical patterns in the coordinate grid
Drawing a histogram and a double bar graph
All of the fraction arithmetic videos are found on these pages:
Fraction videos, part 1
This collection covers mixed numbers, equivalent fractions, fraction addition, fraction subtraction, and comparing fractions.
Fraction videos, part 2
This collection covers simplifying, multiplying, and dividing fractions; fractions to decimals; ratios and fractions; and finding a fractional part of a group of objects.
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