Adding and Subtracting Fractions

Adding and Subtracting Fractions

4.NSF.3

• Compose and decompose a fraction in more than one way,

• Add and subtract mixed numbers with like denominators;

• Solve real-world problems involving addition and subtraction of fractions referring to the same whole and having like denominators.

Drag and Drop

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the ​

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but ​

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the ​

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Drag these tiles and drop them in the correct blank above

Add or subtract

numerators

keep

denominators

same

different

change

Multiple Choice

Kevin bought a whole pizza. He ate 3/6 for lunch and 1/6 for dinner. How much of the pizza did Kevin eat altogether?

• 2/6

• 3/6

• 4/6

• 5/6

Reorder

Reorder the following

• Circle the numbers

• Underline the question

• Box in key words

• Evaluate the equation

• Solve the problem

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

​Read the question carefully!

Sometimes you don't see a fraction, but it's there!

Multiple Choice

Mrs. Seals baked a pan of brownies and cut it into 16 equal pieces. Will ate 4 pieces and Braxton ate 5 brownies. What fraction of the brownies did Will eat?

• 1/16

• 4/16

• 5/16

• 9/16

Multiple Choice

What is 4/16 in simplest form?

• 1/16

• 2/8

• 1/4

• 1/8

​Add and Subtract Mixed Numbers

• Add or subtract the fraction parts

• Add or subtract the whole number parts

• Put the whole number and fractions together to make a new mixed number

Multiple Choice

What is the sum of 4 2/5 + 6 3/5? Make sure you simplify!

• 10 1/5

• 10 5/5

• 11

• 2 1/5

Multiple Choice

What is the difference between 8 6/9 and 4 2/9?

• 4 4/9

• 4 8/9

• 12 4/9

• 12 8/9

2 + 4/9

1 + 1 + 4/9

9/9 + 9/9 + 4/9

22 x 1/9

2 4/9

1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8

2/8 + 2/8 + 2/8

3/8 +3/8

1/8 + 2/8 + 3/8

2/8 + 4/8

6/8

Decompose fractions: break it down

Multiple Choice

Which statement is true?

• 3 1/2 = 3/2 + 3/2 + 1/2

• 3 1/2= 2/2 + 2/2 + 2/2 + 1/2

• 3 1/2= 3/3 + 3/3 + 1/2

• 3 1/2 = 1/2 + 1/2 + 1/2

Match

Match the fraction to the correct decomposed fraction.

• 2/5

• 3/5

• 4/5

• 6/5

• 7/5

1/5 + 1/5

1/5 + 1/5 + 1/5

2/5 + 2/5

2/5 + 2/5 + 2/5

1/5 + 2/5 + 2/5 + 2/5

• 1/5 + 1/5

• 1/5 + 1/5 + 1/5

• 2/5 + 2/5

• 2/5 + 2/5 + 2/5

• 1/5 + 2/5 + 2/5 + 2/5