Rounding Numbers and Decimals
Estimating Decimals
Adding Decimals
Subtracting Decimals
Multiple-Step Problems
100

127 + 9.9

136.9 

100

2.934 rounded to the nearest hundredth 

2.93

100

Chinua has $87.25. His friend Eli owes him $7.69. How much money will Chinua have when Eli repays him?

$94.94

100

5.7 - 0.623

5.077

100

Ezer bought a skirt for $14.50 and a hat for $12.25. What is a way to find how much change she would get back if she paid $40 for the items?

$14.50 + $12.25 =$26.75

$40.00 - $26.75 = $13.75 in change 

200

Esther has one cat that is 13.6 cm tall. She has another cat that is 6.1 cm tall. How much taller is one cat than the other? 

7.5 cm 

200

Charlie kicked a soccer ball 13.48 meters. What is 13.48 rounded to the nearest tenth? 

13.5 meters 

200

Bradley needs to run two miles for basketball team tryouts. He ran his first mile in 11.56 minutes. He ran his second mile in 11.12 minutes. What is the combined time for the two miles. 

22.68 minutes 

200

17.099 - 9.7

7.399

200

Nehemiah wants to buy a catcher's mitt for $52.00 and baseball shoes for $95.75. He has a coupon for $8.50 off the price of the catcher's mitt. How much money will Nehemiah owe for his total purchase? 

$52.00 - $8.50 = $43.50 

$95.75 + $43.50 = $139.25 is his purchase total 

300

Maya worked 33.25 hours last week and 23.75 hours this week. How many total hours did she work? 

57 hours 

300

Round 4.26 meters to the nearest ones place and to the nearest tenths place 

4 and 4.3

300

10.93 + 0.96

11.89

300

Gabi has a rabbit that is 21.9 cm long. Sichan's rabbit is 23.4 cm long. How much longer is Sichan's rabbit than Gabi's?

1.5 cm 

300

At the craft festival, Ayen spent $12 for food, $19.50 for a small painting, and $6 for a straw hat. Ayen had $4 left. How much did Ayen spend on the small painting and the hat together? 

$19.50 + $6 = $25.50 is the painting and the hat



400

A dollhouse has 15.15 square feet downstairs and 6.25 square feet upstairs. What is the best estimate of the total square footage in the dollhouse? 

21 

400

The Thomas Jefferson Memorial is on 18.36 acres of land and the Franklin Delano Roosevelt Memorial is on 7.5 acres of land. How many more acres of land is the Jefferson Memorial on than the Roosevelt Memorial? 

10.86

M
e
n
u