Test Review - Adding and Subtracting Decimals

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

• 20 sq ft
• 21 sq ft
• 23 sq ft
• 25 sq ft

What is 2.934 rounded to the nearest hundredth?

• 2.90
• 2.93
• 2.94
• 3.00

Eduardo is training for a marathon.  He ran his first mile in 12.56 minutes and his second mile in 12.98 minutes.  What is his combined time for the first two miles?

• 24.43 minutes
• 24.54 minutes
• 25.44 minutes
• 25.54 minutes

Beth worked 33.5 hours last week and 23.75 this week.  How many total hours did she work?

• 46 hours
• 26 hours
• 56.80 hours
• 57.25

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?

• 9.86 acres
• 10.86 acres
• 11.31 acres
• 17.61 acres

Which picture represents this problem?      Parson's Sporting Goods ordered 56 T-shirts in sizes small, medium, and large. 
If 23 shirts are medium and 12 shirts are large, how many shirts are small?

• Picture A
• Picture B
• Picture C
• Picture D

Which two trails combined are less than 4 miles?

• Red and Blue
• Blue and Green
• Red and Yellow
• Red and Green

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

• 13.4 m
• 10.00 m
• 13.5 m
• 13.0 m

Ann has one cat that is 13.6 cm tall.  She has another cat that is 6.14 cm tall.  How much taller is one cat than the other?

• 5.22 cm
• 7.54 cm
• 7.46 cm
• 19.74 cm

Parker has a rabbit that is 21.987 cm long.  Keenan's rabbit is 23.4 cm long.  How much longer is Keenan's rabbit than Parker's?

• 2.587 cm
• 1.413 cm
• 45.387 cm
• 2.523 cm