Videos to help Grade 4 students learn how to find common units or number of units to compare two fractions.

Common Core Standards: 4.NF.2

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Lessons for Grade 4

Common Core For Grade 4

Lesson 14 Concept Development

Problem 1: Reason about fraction size using unit language.

Problem 2: Compare fractions with related numerators.

Problem 3: Compare fractions having related denominators where one denominator is a factor of the other.

1. Compare the pairs of fractions by reasoning about the size of the units. Use >, <, or =.

a. 1 fourth _____ 1 fifth

b. 3 fourths _____ 3 fifths

c. 1 tenth _____ 1 twelfth

d. 7 tenths _____ 7 twelfths

2. Compare by reasoning about the following pairs of fractions with the same or related numerators. Use >, <, or =. Explain your thinking using words, pictures, or numbers. Problem 2(b) has been done for you.

a. 3/5 ____ 3/4

b. 2/5 < 4/9

c. 7/11 ___ 7/13

d. 6/7 ___ 12/15

3. Draw two tape diagrams to model each pair of the following fractions with related denominators. Use >, <, or = to compare.

a. 2/3 ___ 5/6

b. 3/4 ___ 7/8

c. 1 3/4 ___ 1 7/12

Lesson 14 Problem Set 4

4. Draw one number line to model each pair of fractions with related denominators. Use >, <, or = to compare.

a. 2/3 ___ 5/6

b. 3/8 ___ 1/4

c. 2/6 ___ 5/12

d. 8/9 ___ 2/3

1. Compare the pairs of fractions by reasoning about the size of the units. Use >, <, or =.

a. 1 third _____ 1 sixth b. 2 halves _____ 2 thirds

c. 2 fourths _____ 2 sixths d. 5 eighths _____ 5 tenths

2. Compare by reasoning about the following pairs of fractions with the same or related numerators. Use >, <, or =. Explain your thinking using words, pictures, or numbers. Problem 2(b) has been done for you.

3. Draw two tape diagrams to model each pair of the following fractions with related denominators. Use >, <, or = to compare.

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