Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children...

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Dividing Fractions

Transcript of Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children...

Page 1: Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?  What is being divided?______________.

Dividing Fractions

Page 2: Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?  What is being divided?______________.

1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?

What is being divided?______________ Write a division sentence beginning with

the number being divided.

Page 3: Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?  What is being divided?______________.

1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?

What is being divided? 3 pizzas

Write a division sentence beginning with the number being divided.

3 ÷ 1/4

Whatever is being divided goes first – It is the dividend.

Page 4: Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?  What is being divided?______________.

1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?

What is being divided? 3 pizzas Write a division sentence beginning with the

number being divided. 3 ÷ ¼ = 12

Use an illustration to represent the

solution.

0 2

There are twelve ¼ pieces, so 12 children will get pizza

1 3

3 wholes divided into fourths

Page 5: Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?  What is being divided?______________.

2) Mrs. Smith had ½ of a pumpkin pie left over. She split the leftover pie evenly between her 3 children. What fraction of a pie did each child get?

What is being divided?______________ Write a division number sentence to show

your answer.  Use an illustration to represent the

solution. 

Page 6: Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?  What is being divided?______________.

2) Mrs. Smith had ½ of a pumpkin pie left over. She split the leftover pie evenly between her 3 children. What fraction of a pie did each child get?

What is being divided? 1/2 pumpkin pieWrite a division number sentence to show

your answer. 

½ ÷ 3 = 1/6 Use an illustration to represent the

solution. 

Page 7: Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?  What is being divided?______________.

2) Mrs. Smith had ½ of a pumpkin pie left over. She split the leftover pie evenly between her 3 children. What fraction of a pie did each child get? ½ ÷ 3 = 1/6

  Another illustration to represent the solution.

0 1/2 1

6 total parts

1/6 1/6 1/6

½ divided into 3 parts

Page 8: Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?  What is being divided?______________.

3) Six people share ¾ kg of chocolate equally. How much chocolate does each person get?

What is being divided?______________ Write a division number sentence to show

your answer.  Use an illustration to represent the

solution. 

Page 9: Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?  What is being divided?______________.

3) Six people share ¾ kg of chocolate equally. How much of a chocolate bar does each person get?

What is being divided? 3/4 kg chocolate Write a division number sentence to show your

answer.  3/4 ÷ 6 = 1/8 Use an illustration to represent the solution.

Answer: 1/8 of the bar

Whatever is being divided goes first – It is the dividend.

Ask yourself: Does this answer make sense?

¾ of the chocolate bar is shaded, since that is the amount being divided

The chocolate bar is then divided into 6 sections. Each person gets 3 of the 24 pieces of the bar = 3/24 = 1/8

Page 10: Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?  What is being divided?______________.

3) Six people share ¾ kg of chocolate equally. How much of a chocolate bar does each person get? 3/4 ÷ 6 = 1/8

Another illustration to represent the solution.

02/4 1

8 total parts

1/8 1/8 1/8

1/4 3/4

¾ divided into 6 parts

1/8

1/8

1/8

Page 11: Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?  What is being divided?______________.

4) If a tortoise is timed traveling an average of 1/3 miles per hour, how long would it take the tortoise to travel 6 miles?

What is being divided?______________ Write a division number sentence to show

your answer.  Use an illustration to represent the

solution. 

Page 12: Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?  What is being divided?______________.

4) If a tortoise is timed traveling an average of 1/3 miles per hour, how long would it take the tortoise to travel 6 miles?

What is being divided? 6 hours Write a division number sentence to show

your answer.  6 ÷ 1/3 = 18 Use an illustration to represent the solution. 

Answer: 18 hours_

Whatever is being divided goes first – It is the dividend.

Ask yourself: Does this answer make sense?

1 2 3 4 5 6 7 8 9 101112 131415 161718

Page 13: Dividing Fractions. 1) There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?  What is being divided?______________.

4) If a tortoise is timed traveling an average of 1/3 miles per hour, how long would it take the tortoise to travel 6 miles?  6 ÷ 1/3 = 18

Another illustration to represent the solution. 

0 2 4

6 miles

1 3

Each mile divided into

thirds

5 6

18 total