Topics 1-7 Review

A store sells AA batteries. There are 20 batteries in a package. How many batteries are in 100 packages?

• 0.20

• 200

• 2,000

• 0.020

The lengths of three ants were measured in a lab. The lengths were 0.521 centimeter, 0.498 centimeter, and 0.55 centimeter. Which ant was the longest?

• 0.521

• 0.55

• 0.498

• There were two that tied

Which are two different numbers that round to 8.21 when rounded to the nearest hundredth?

• 8.213 and 8.209

• 8.323 and 8.218

• 8.2 and 8.5

• 7.934 and 7.21

Gloria rode her bike 0.75 mile in the morning and 1.10 miles in the afternoon. How many miles did Gloria ride in all?

• 0.85 mile

• 1.85 miles

• 0.35 mile

• 1.25 mile

Kennedy and Sophia swam 50 meters. Kennedy took 50.9 seconds. Sophia took 0.26 second longer than Kennedy. What was Sophia's time?

• 51.16 seconds

• 53.86 seconds

• 50.64 seconds

• 54.06 seconds

At a baseball game, Braylen bought a sandwich for $6.95 and two pretzels for $2.75 each. He paid with a $20 bill. How much change did he receive?

• $7.65

• $10.68

• $7.55

• $12.45

A banana contains 105 calories. Last week, Madi and Spencer ate a total of 14 bananas. How many calories does this present?

• 600 calories

• 1,280 calories

• 120 calories

• 1,470 calories

At a warehouse, 127 delivery trucks were loaded with 48 packages on each truck. Estimate the total number of packages and tell if it is an overestimate or underestimate?

• $6,500 and overestimate

• $6,340 and overestimate

• $6,500 and underestimate

• $6,400 and overestimate

There are 36 large fish tanks at the zoo. Each tank holds 205 gallons of water How many gallons of water would it take to fill all of the tanks?

• 7,650 gallons

• 7,380 gallons

• 7,320 gallons

• 6,890 gallons

Credit cards are 0.76 mm thick. How thick would a stack of 1,000 credit cards be?

• 760 mm

• 7,600 mm

• 0.076 mm

• 0.0076 mm