Add Decimals
Subtract Decimals
Word Problems
Estimate
Box of Mystery
100

0.45 + 2.09 = 

2.54

100

4.77 - 2.04 = 

2.73

100

The dress Mollie wants to wear to the school picnic costs $30. Mollie has saved $17.85 by doing chores around the house. How much more does Mollie need to save to buy the dress?

$12.15

100

Estimate the sum. 

13.2 + 15.55 = 

13 + 16 = 29

100

Write a comparison statement for the following numbers:

1.108 and 1.11

1.108 < 1.12

200

12.4 + 5.78 = 

18.18

200

23.84 - 17.15 = 

6.69

200

Xander worked 27.5 hours this week. Last week, he worked 22.25 hours. How many more hours did he work this week?

5.25 hours

200

Estimate the difference. 

9.888 - 4.309 = 

10 - 4 = 6

200

Round 78.638 to the nearest hundredth. 

78.64

300

379.6 + 82.64 = 

462.24

300

1.62 - 0.255 = 

1.365

300

Mrs. Campos is buying fruit to make a fruit salad. She spends $9.80 on kiwi, $12.65 on strawberries, and $14.99 on blueberries. How much did Mrs. Campos spend on fruit for the fruit salad?

$37.44

300

After running a marathon, Louis drank 2.8 liters of water. Frank drank 1.45 liters of water. Approximately how much more water did Louis drink after the marathon?

3 - 1 = 2 liters

300

Which Halloween candy was originally referred to as chicken feed?

candy corn

400

1,963 + 67,004.72 = 

68,967.72

400

55 - 4.82 = 

50.18

400

La’Toya spends $10.17 on a breakfast sandwich, fruit cup, and coffee for breakfast. The fruit cup was $3.99 and the coffee was $1.25. How much was the breakfast sandwich?

$4.93

400

A family uses 43.6 gallons of water on Monday, 52.3 gallons on Tuesday, and 48.8 gallons on Wednesday. About how many gallons of water did they use in total over these three days?

145 gallons

400

What are the two formulas we can use to solve for the volume of a rectangular prism? 

V = L x W x H

V= B x H

500

93.1 + 17 + 1,809.15 = 

1,919.25

500

41,794.9 - 787.035 = 

41,007.865

500

John buys two watermelons at the grocery store.  The first watermelon weighs 13.35 pounds.  The second watermelon weighs 1.89 pounds less than the first watermelon.  What is the combined weight of the two watermelons? 

24.81 pounds

500

Peter has $90 to shop for clothes. He goes to his favorite store and places four shirts in his shopping cart. The prices of the items are: $12.99, $15.79, $24.75 and $33.15. Before checking out, Peter estimates his total cost and decides he does not have enough money to pay for the shirts.  Is his estimation correct? Explain.  

He is incorrect.  His estimated cost is $87.  He will have enough money to purchase the four shirts. 
500

In 2023, Travis Gienger nabbed the Guinness World Record for the heaviest pumpkin. How much did it weigh? 

A. 809 pounds

B. 2,749 pounds

C. 4,391 pounds

D. 436 pounds

B. 2,749 pounds

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