Videos, solutions, and examples to help Grade 4 students learn how to add and multiply unit fractions to build fractions greater than 1
using visual models.

Common Core Standards: 4.NF.1, 4.NF.2, 4.NF.3, 4.NBT.6, 4.NF.4a, 4.MD.4

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Common Core For Grade 4

### NYS Common Core Grade 4, Module 5, Lessons 23

Lesson 23 Concept Development

Problem 1: Multiply a whole number times a unit fraction.

Problem 2: Multiply a whole number times a unit fraction using the associative property.

Problem 3: Express the product of a whole number times a unit fraction as a mixed number.

Lesson 23 Problem Set 1 & 2

1. Circle any fractions that are equivalent to a whole number. Record the whole number below the fraction.

a. Count by 1 thirds. Start at 0 thirds. End at 6 thirds.

b. Count by 1 halves. Start at 0 halves. End at 8 halves.

2. Use parentheses to show how to make ones in the following number sentence. Lesson 23 Problem Set 3

3. Multiply, as shown below. Draw a number line to support your answer. Lesson 23 Problem Set 4

4. Multiply, as shown below. Write the product as a mixed number. Draw a number line to support your answer.

a. 7 copies of 1 third

b. 7 copies of 1 half

c. 10 x 1/4

Lesson 23 Homework

1. Circle any fractions that are equivalent to a whole number. Record the whole number below the fraction.

a. Count by 1 fourths. Start at 0 fourths. Stop at 6 fourths.

b. Count by 1 sixths. Start at 0 sixths. Stop at 14 sixths.

2. Use parentheses to show how to make ones in the following number sentence.

1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 = 4

3. Multiply, as shown below. Draw a number line to support your answer.

a. 6 × 1/3

b. 10 × 1/2

c. 8 × 1/4

4. Multiply, as shown below. Write the product as a mixed number. Draw a number line to support your answer.

a. 7 copies of 1 third

b. 7 copies of 1 fourth

c. 11 groups of 1 fifth

d. 7 × 1/2

e. 9 × 1/5

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

Common Core Standards: 4.NF.1, 4.NF.2, 4.NF.3, 4.NBT.6, 4.NF.4a, 4.MD.4

Related Topics:

Lesson Plans and Worksheets for Grade 4

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 4

Common Core For Grade 4

Problem 1: Multiply a whole number times a unit fraction.

Problem 2: Multiply a whole number times a unit fraction using the associative property.

Problem 3: Express the product of a whole number times a unit fraction as a mixed number.

Lesson 23 Problem Set 1 & 2

1. Circle any fractions that are equivalent to a whole number. Record the whole number below the fraction.

a. Count by 1 thirds. Start at 0 thirds. End at 6 thirds.

b. Count by 1 halves. Start at 0 halves. End at 8 halves.

2. Use parentheses to show how to make ones in the following number sentence. Lesson 23 Problem Set 3

3. Multiply, as shown below. Draw a number line to support your answer. Lesson 23 Problem Set 4

4. Multiply, as shown below. Write the product as a mixed number. Draw a number line to support your answer.

a. 7 copies of 1 third

b. 7 copies of 1 half

c. 10 x 1/4

1. Circle any fractions that are equivalent to a whole number. Record the whole number below the fraction.

a. Count by 1 fourths. Start at 0 fourths. Stop at 6 fourths.

b. Count by 1 sixths. Start at 0 sixths. Stop at 14 sixths.

2. Use parentheses to show how to make ones in the following number sentence.

1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 = 4

3. Multiply, as shown below. Draw a number line to support your answer.

a. 6 × 1/3

b. 10 × 1/2

c. 8 × 1/4

4. Multiply, as shown below. Write the product as a mixed number. Draw a number line to support your answer.

a. 7 copies of 1 third

b. 7 copies of 1 fourth

c. 11 groups of 1 fifth

d. 7 × 1/2

e. 9 × 1/5

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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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