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Different units need a shared partition

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Fractions · Add unlike fractions using equivalent forms · 3:35

You'll learn: Add unlike fractions after expressing equivalent forms

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Different units need a shared partition

3:35

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Different units need a shared partition

You'll learn: Add unlike fractions after expressing equivalent forms

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Add unlike fractions using equivalent forms

2

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

Next topic

Playing with Constructions

8

Try the Artwork Freehand, Then Plan With Tools
3:34
Try the Artwork Freehand, Then Plan With Tools
You'll learn: Try the Artwork Freehand, Then Plan With Tools
All Points Four Centimetres From One Point
3:35
All Points Four Centimetres From One Point
You'll learn: All Points Four Centimetres From One Point
Set a Radius and Draw a Circle Without Changing It
3:45
Set a Radius and Draw a Circle Without Changing It
You'll learn: Set a Radius and Draw a Circle Without Changing It
Construct A Person From Straight Parts and Arcs
3:49
Construct A Person From Straight Parts and Arcs
You'll learn: Construct A Person From Straight Parts and Arcs
Make a Wavy Wave From Two Semicircles
3:31
Make a Wavy Wave From Two Semicircles
You'll learn: Make a Wavy Wave From Two Semicircles
Change the Wave Length and Make Shallower Matching Arcs
3:42
Change the Wave Length and Make Shallower Matching Arcs
You'll learn: Change the Wave Length and Make Shallower Matching Arcs
Construct Matching Eyes With Supporting Guides
3:47
Construct Matching Eyes With Supporting Guides
You'll learn: Construct Matching Eyes With Supporting Guides
Recognise the Properties and Name the Corners in Order
3:38
Recognise the Properties and Name the Corners in Order
You'll learn: Recognise the Properties and Name the Corners in Order