Use mental math to find each quotient.

8,100 ÷ 90

(a)  

Use mental math to find each quotient.

3,000 ÷ 60

(a)  

Use mental math to find each quotient.

450 ÷ 50

(a)  

Yara said that 42,000 ÷ 70 = 6,000. Is she right? Explain.

Mila said that 4,000 ÷ 50 = 800. Is she right? Explain.

Tania picks 6,300 strawberries. She divides the strawberries equally into 90 baskets. How many strawberries will be in each basket?

(a)  

A plane travels 24,000 miles in 40 hours, going the same distance each hour.

How many miles does the plane travel each hour?

(a)  

A fifth-grade class sets up 308 chairs for a graduation ceremony. Each row has 11 chairs. How many rows of chairs does the class set up?

(a)  

Use mental math to find each quotient.

6.8 ÷ 100

(a)  

Use mental math to find each quotient.

4.7 ÷ 10³

(a)  

Find each quotient.

6.48 ÷ 4

(a)  

Find each quotient.

32.67 ÷ 11

(a)  

Use mental math to find each quotient.

0.25 ÷ 0.05

(a)  

Use mental math to find each quotient.

2.8 ÷ 0.4

(a)  

Lana says that 23.76 ÷ 10² is equal to 2,376.

What mistake did Lana make? Explain.

Nancy solved the division problem 1.8÷0.3=0.6.

Explain the mistake Nancy made.

Sandy pays $28.45 for 5 cell phone cases. Each case costs the same amount. How much does each case cost?

(a)  

Katia has 7.8 ounces of tuna salad. If she makes 3 sandwiches with an equal amount of tuna on each, how much tuna does she put on each one?

(a)  

Find each sum or difference.

1/8 + 3/4

(a)  

Find each sum or difference.

8/10 - 2/5

(a)  

Find each sum or difference.

2 1/6 + 3 1/3

(a)  

Find each sum or difference.

7 1/2 - 4 1/3

(a)  

Diala says that 3/5+1/3=4/8.

Explain the mistake Diala made and find the correct answer.

Rana added 6 1/4+3 5/16. Her work is shown in the picture.

Explain the mistake Rana made.

Maggie is making chocolate milk. She added 1/4 cup chocolate syrup to 2/3 cup milk. How much chocolate milk did Maggie make?

(a)  

Maya painted 2/5 of her bedroom wall in the morning and 1/4 in the evening.

How much more of the wall did she paint in the morning?

(a)  

David ran 9 3/4 miles on Saturday and 7 1/10 miles on Sunday.

How many miles did he run on the weekend?

(a)  

Brandon has a male puppy with a mass of 3 1/2 kilograms and a female puppy with a mass of 2 1/5 kilograms. How much greater is the male puppy’s mass than the female puppy’s?

(a)  

Find each product or quotient.

5 x 3/4

(a)  

Find each product or quotient.

3/4 x 1/3

(a)  

Find each product or quotient.

4 1/2 x 2 2/3

(a)  

Find each product or quotient.

5 ÷ 1/2

(a)  

Find each product or quotient.

3/4 ÷ 5

(a)  

Find 13 ÷ 10. Write the quotient as a fraction or a mixed number.

(a)  

Tell how much each person gets when they share equally.

6 people share 12 muffins

(a)  

Dana says that 1/3×3/5=5/9.

Explain the mistake Dana made and find the correct answer.

Aya says that 1 1/4 equals 4/5.

Is she correct? Explain.

Diana says that 12÷1/4=3.

Is Diana correct? Explain.

Maria is making cookies. For each batch of dough, she needs 2/3 cup of sugar. How much sugar will she use if she makes 8 batches of cookies?

(a)  

Lucie can walk about 1 1/5 miles each hour.

How far can she walk in 2 hours?

(a)  

Yasser has 17 ounces of trail mix to share with 4 friends.

How much trail mix does each person get?

(a)  

Sally divided 5 cups of juice into 1/2 cup portions.

How many 1/2 cup portions did Sally have?

(a)  

Sue has 1/2 gallon of milk to share evenly among four people.

How much milk, in gallons, should she give each person?

(a)