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Lesson Plans and Worksheets for Grade 4

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 4

Common Core For Grade 4

Examples, solutions, and videos to help Grade 4 students learn how use visual models to add two fractions with related units using the denominators 2, 3, 4, 5, 6, 8, 10, and 12.

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

### NYS Common Core Grade 4 Module 5, Lesson 20

Problem 1: Add unit fractions with related denominators using tape diagrams.

1/3 + 1/6 = Lesson 20 Problem Set

1. Use a tape diagram to represent each addend. Decompose one of the tape diagrams to make like units. Then write the complete number sentence. Part (a) is partially completed.

a. 1/4 + 1/8

b. 1/4 + 1/12

c. 2/6 + 1/3

d. 1/2 + 3/8

e. 3/10 + 3/5

f. 2/3 + 2/9

2. Estimate to determine if the sum is between 0 and 1 or 1 and 2. Draw a number line to model the addition. Then write a complete number sentence. Part (a) has been completed for you.

a. 1/2 + 1/4

b. 1/2 + 4/10

c. 6/10 + 1/2

d. 2/3 + 3/6

e. 3/4 + 6/8

f. 4/10 + 6/5

3. Solve the following addition problem without drawing a model. Show your work.

2/3 + 4/6

Lesson 20 Homework

1. Use a tape diagram to represent each addend. Decompose one of the tape diagrams to make like units. Then write the complete number sentence. Part (a) is partially completed.

a. 1/3 + 1/6

b. 1/2 + 1/4

c. 3/4 + 1/8

d. 3/4 + 1/8

e. 1/4 + 5/12

f. 3/5 + 3/10

2. Estimate to determine if the sum is between 0 and 1 or 1 and 2. Draw a number line to model the addition. Then write a complete number sentence. Part (a) has been completed for you.

a. 1/3 + 1/6

b. 3/5 + 7/10

c. 5/12 + 1/4

d. 3/4 + 5/8

e. 7/8 + 3/4

f. 1/6 + 5/3

3. Solve the following addition problem without drawing a model. Show your work.

5/6 + 1/3

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.

Lesson Plans and Worksheets for Grade 4

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 4

Common Core For Grade 4

Examples, solutions, and videos to help Grade 4 students learn how use visual models to add two fractions with related units using the denominators 2, 3, 4, 5, 6, 8, 10, and 12.

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

Grade 4, Module 5, Lesson 20 Worksheets

Lesson 20 Concept DevelopmentProblem 1: Add unit fractions with related denominators using tape diagrams.

1/3 + 1/6 = Lesson 20 Problem Set

1. Use a tape diagram to represent each addend. Decompose one of the tape diagrams to make like units. Then write the complete number sentence. Part (a) is partially completed.

a. 1/4 + 1/8

b. 1/4 + 1/12

c. 2/6 + 1/3

d. 1/2 + 3/8

e. 3/10 + 3/5

f. 2/3 + 2/9

2. Estimate to determine if the sum is between 0 and 1 or 1 and 2. Draw a number line to model the addition. Then write a complete number sentence. Part (a) has been completed for you.

a. 1/2 + 1/4

b. 1/2 + 4/10

c. 6/10 + 1/2

d. 2/3 + 3/6

e. 3/4 + 6/8

f. 4/10 + 6/5

3. Solve the following addition problem without drawing a model. Show your work.

2/3 + 4/6

1. Use a tape diagram to represent each addend. Decompose one of the tape diagrams to make like units. Then write the complete number sentence. Part (a) is partially completed.

a. 1/3 + 1/6

b. 1/2 + 1/4

c. 3/4 + 1/8

d. 3/4 + 1/8

e. 1/4 + 5/12

f. 3/5 + 3/10

2. Estimate to determine if the sum is between 0 and 1 or 1 and 2. Draw a number line to model the addition. Then write a complete number sentence. Part (a) has been completed for you.

a. 1/3 + 1/6

b. 3/5 + 7/10

c. 5/12 + 1/4

d. 3/4 + 5/8

e. 7/8 + 3/4

f. 1/6 + 5/3

3. Solve the following addition problem without drawing a model. Show your work.

5/6 + 1/3

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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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