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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Math by grade
4th grade
Add and subtract fractions
Add and subtract fractions
Decomposing fractions
Adding and subtracting fractions with like denominators
Adding and subtracting fractions: word problems
Mixed numbers
Adding and subtracting mixed numbers
Adding and subtracting mixed numbers word problems
Fractions with denominators of 10 and 100
Line plots with fractions