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Use common factors to find a simplest form

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Fractions · Simplify without changing value · 3:49

You'll learn: Link regrouping to dividing both counts by a common factor

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Use common factors to find a simplest form

3:49

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Use common factors to find a simplest form

You'll learn: Link regrouping to dividing both counts by a common factor

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Same topic

Simplify without changing value

1

Join small parts into larger equal units
3:36
Join small parts into larger equal units
You'll learn: Explain simplification through regrouping

Next topic

Compare and order fractions

4

Compare fractions with the same denominator
3:36
Compare fractions with the same denominator
You'll learn: Compare counts of equally sized units
More shares can mean a smaller share
3:44
More shares can mean a smaller share
You'll learn: Compare unit fractions and fractions with the same positive numerator
Make unlike fractions comparable
3:41
Make unlike fractions comparable
You'll learn: Use equivalent forms with a common denominator
Order fractions with reference values
3:41
Order fractions with reference values
You'll learn: Use zero one-half and one alongside equivalence

Next topic

Add and subtract matching fractional units

2

Addition counts more of the same unit
3:45
Addition counts more of the same unit
You'll learn: Add fractions with matching denominators
Subtraction removes matching units
3:43
Subtraction removes matching units
You'll learn: Subtract like fractions and check by addition

Next topic

Add unlike fractions using equivalent forms

3

Different units need a shared partition
3:35
Different units need a shared partition
You'll learn: Add unlike fractions after expressing equivalent forms
An addition can pass a whole
3:31
An addition can pass a whole
You'll learn: Interpret an improper sum and express a mixed result
Solve a fraction addition situation
3:47
Solve a fraction addition situation
You'll learn: Translate a measured-quantity story into an addition

Next topic

Subtract unlike fractions and apply the method

3

Make the removed quantity use the same unit
3:49
Make the removed quantity use the same unit
You'll learn: Subtract unlike fractions with equivalent forms
Regroup a whole when needed
3:45
Regroup a whole when needed
You'll learn: Subtract from a mixed quantity using the piece model
Choose addition or subtraction from the story
3:48
Choose addition or subtraction from the story
You'll learn: Model a quantity change and verify the result

Next topic

Explore fraction language and a unit-fraction puzzle

2

Different words can name the same fraction
3:25
Different words can name the same fraction
You'll learn: Connect familiar fraction words to quantities and notation
A fraction can be built from unit fractions
3:39
A fraction can be built from unit fractions
You'll learn: Explore a sum without teaching a general decomposition algorithm