If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Unit: Add and subtract fractions

Not feeling ready for this? Check out Get ready for 4th grade.

0

Possible mastery points

Decomposing fractions

Learn
Decomposing a fraction visually
(Opens a modal)
Decomposing a mixed number
(Opens a modal)
Decomposing fractions review
(Opens a modal)
Practice
Decompose fractions visuallyGet 3 of 4 questions to level up!
Decompose fractionsGet 5 of 7 questions to level up!

Adding and subtracting fractions with like denominators

Learn
Adding fractions with like denominators
(Opens a modal)
Subtracting fractions with like denominators
(Opens a modal)
Practice
Add fractions with common denominatorsGet 5 of 7 questions to level up!
Subtract fractions with common denominatorsGet 5 of 7 questions to level up!

Adding and subtracting fractions: word problems

Learn
Fraction word problem: piano
(Opens a modal)
Fraction word problem: pizza
(Opens a modal)
Fraction word problem: spider eyes
(Opens a modal)
Practice
Add and subtract fractions word problems (same denominator)Get 5 of 7 questions to level up!

Quiz 1

Level up on the above skills and collect up to 500 Mastery points

Mixed numbers

Learn
Writing mixed numbers as improper fractions
(Opens a modal)
Writing improper fractions as mixed numbers
(Opens a modal)
Mixed numbers and improper fractions review
(Opens a modal)
Practice
Write mixed numbers and improper fractionsGet 5 of 7 questions to level up!

Adding and subtracting mixed numbers

Learn
Adding mixed numbers with like denominators
(Opens a modal)
Subtracting mixed numbers with like denominators
(Opens a modal)
Mixed number addition with regrouping
(Opens a modal)
Subtracting mixed numbers with regrouping
(Opens a modal)
Practice
Add and subtract mixed numbers (no regrouping)Get 5 of 7 questions to level up!
Add and subtract mixed numbers (with regrouping)Get 3 of 4 questions to level up!

Adding and subtracting mixed numbers word problems

Learn
Fraction word problem: lizard
(Opens a modal)
Subtracting mixed numbers with like denominators word problem
(Opens a modal)
Practice
Add and subtract mixed numbers word problems (like denominators)Get 3 of 4 questions to level up!

Quiz 2

Level up on the above skills and collect up to 400 Mastery points

Fractions with denominators of 10 and 100

Learn
Visually converting tenths and hundredths
(Opens a modal)
Decomposing hundredths
(Opens a modal)
Decomposing hundredths on number line
(Opens a modal)
Adding fractions (denominators 10 & 100)
(Opens a modal)
Adding fractions: 7/10+13/100
(Opens a modal)
Practice
Equivalent fractions with fraction models (denominators 10 & 100)Get 5 of 7 questions to level up!
Equivalent fractions (denominators 10 & 100)Get 5 of 7 questions to level up!
Decompose fractions with denominators of 100Get 3 of 4 questions to level up!
Equivalent expressions with common denominators (denominators 10 & 100)Get 5 of 7 questions to level up!
Add fractions (denominators 10 & 100)Get 3 of 4 questions to level up!

Quiz 3

Level up on the above skills and collect up to 500 Mastery points

Line plots with fractions

Learn
No videos or articles available in this lesson
Practice
Graph data on line plots (through 1/8 of a unit)Get 3 of 4 questions to level up!
Interpret line plots with fraction addition and subtractionGet 3 of 4 questions to level up!

Quiz 4

Level up on the above skills and collect up to 200 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 1600 Mastery points!