Dividing by Multiples of 10
Estimating Using Compatible Numbers
1-digit Quotients
2-digit Quotients
Missing or Extra Information
100

Solve the following equation. 

n x 50 = 50,000

n=1,000

100

At a department store, a package of 12 handkerchiefs costs $ 58.99. Estimate how much each handkerchief costs. 

$60.00 ÷ 12 = $5

100

Solve 342 ÷ 39.

8 R 30
100

Solve 503 ÷ 26

19 R9

100
Jorge buys T-shirts for $4.00 each and paints designs on them. He sells the designed T-shirts for $7.00 each. What information is needed to find how much profit he makes in one week?


a. The price of T-shirts at a store.

b. The color of the T-shirts he buys.

c. The types of designs he draws on the T-shirts.

d. The number of T-shirts he sells in one week. 

d. The number of T-shirts he sells in one week.
200

Evaluate 360 ÷ 40

9

200

Estimate using compatible numbers. 

540 ÷ 61

540 ÷ 60 = 9

200

Solve 458 ÷ 73

a. 5R19

b. 5R20

c. 6R19

d. 6R20

d. 6R20

200

Solve 413 ÷ 14

29 R7

200

Determine if there is extra or missing information. Solve if possible. 

Sonja posted several band concert flyers. Elsie posted 60 flyers, and Frank posted 30 flyers. How many flyers did the 3 students post altogether?

Missing information= How many flyers Sonja posted

Not able to be solved.

300

Which of the following is another way to think of 46,000 ÷ 70?

a. 46,000 tens ÷ 70 tens

b. 4,600 tens ÷ 7 tens

c. 460 tens ÷ 7 tens

d. 46 tens ÷ 7 tens

b. 4,600 tens ÷ 7 tens

300

Which of the following is the best way to estimate 742 ÷ 81 using compatible numbers? 

a. 720 divided by 80

b. 745 divided by 85

c. 750 divided by 75

d. 740 divided by 90

a. 720 divided by 80

300

Divide 345 ÷ 85

4 R5

300

Write a division equation that represents the following model. Use X as the unknown. Solve for X. 

(teacher will draw the model on the board)

672 ÷ 32 = X

X=21

300

What information is missing?

Mrs. Torrance has invited 16 people to a party. She wants to serve enough submarine sandwiches for her guests. Each sandwich will serve 3 children or 2 adults. How many sandwiches will she need to buy?

How many adults and children are invited.

400

Suppose there are 1,500 pencils in 20 bins. You want to put the same number of pencils in each bin. Which expression shows how to find the number of pencils in each bin?

a. 1,500 + 20

b. 1,500 - 20

c. 1,500 x 20

d. 1,500 ÷ 20

d. 1,500 ÷ 20

400

There are 135 comets that are visible from Earth every 20 years or less. What is an estimate of how many of these comets are seen each year? 

About 7 comets are seen each year.

400

Mr. Nolan changes the oil in his car every 4,000 miles. He uses 3 quarts of oil each time. How many quarts of oil will he have used after 12,000 miles?

9 quarts

400

A hotel sets up tables for a conference fro 286 people. If each table seats 11 people, how many tables will be needed?

26 tables

400

Identify extra or missing information. Solve if possible. 

Jenna  makes $8 an hour babysitting. She works 3 days per week. What is the total amount she makes in a week?

Missing information = The number of hours she works each day.

500
It takes 18,000 kg of sand to fill 600 school sandboxes. How much sand will a construction company need to put in each of the 600 sandboxes to get ready for the new school year? Write and solve the equation. 

18,000 ÷ 600 = x

x=30kg

500

A high school volleyball team has made it to the state tournament. There are 586 students that want to go, and 32 students can fit on each bus? About how many buses are needed?

About 20 buses are needed.

500

A company printed 232 brochures and shipped them out in boxes. If there were 58 brochures in each box, how many boxes were shipped?

4 boxes

500

Braedy had $5.00 when she left the county fair. She spent $11.00 on her ticket, and she bought lunch for $6.00. After lunch, she spent $17.00 on games and videos. How much money did Braedy bring to the county fair?

$39.00

500

Decide is there is extra or missing information. Solve if possible. 

Franco hikes 4 miles each day for 5 days. He carries 100 ounces of water with him. It takes him 1 hour to hike 4 miles. How many hours did he hike in 5 days?

Solution = 5 hours. 

Extra information = How much water he carries. 

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