Curriculum>Grade 4> Module 3>Topic F: Addition and Subtraction of Fractions by Decomposition

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Estimate the sum or difference of two mixed numbers by first rounding each number to the nearest whole number and adding or subtracting the results. Problems include word problems

A. Round a mixed number to the nearest whole with and without a number line

C. Round an improper fraction to the nearest whole by converting it to a mixed number

D. Round mixed numbers and improper fractions to the nearest whole

E. Estimate the sum or difference of a mixed number and an improper fraction by converting the fraction to a mixed number

F. Add a whole number to a mixed number

G. Add a mixed number to a fraction with the same denominator

H. Add a mixed number to a fraction with the same denominator and write the sum without an improper fraction

I. Add a mixed number to a fraction with the same denominator by completing the whole (Level 1)

J. Add a mixed number to a fraction with the same denominator by completing the whole (Level 2)

K. Add two mixed numbers with the same denominator and write the sum without an improper fraction (Level 1)

L. Add two mixed numbers with the same denominator and write the sum without an improper fraction (Level 2)

M. Subtract a fraction from a mixed number with the same denominator (without converting to an improper fraction)

N. Subtract a fraction from a mixed number with the same denominator by converting to an improper fraction (Level 1)

O. Subtract a fraction from a mixed number with the same denominator by converting to an improper fraction (Level 2)

P. Subtract mixed numbers with the same denominator

Q. Add and subtract mixed numbers with the same denominator

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