Powering Up (Powers of 10)
Pure Products (Computation)
Real-World Math
Hawkeye State Challenges
100

Solve: 0.8 x 10

8

100

Solve: 0.4 x 0.2

0.08

100

Roblox: A new hat for your avatar costs $2.50 Robux. How much would it cost to buy 3 hats?

$7.50 Robux

100

A ticket to an Iowa Hawkeyes youth camp costs $25.50. How much do 2 tickets cost?

$51.00

200

Solve: 1.45 x 100

145

200

Solve: 2.5 x 3

7.5

200

Snacks: A bag of Takis at the gas station costs $1.89. If you buy 2 bags, what is the total cost?

$3.78

200

An ear of Iowa sweet corn costs $0.65. How much would 10 ears cost?

$6.50

300

To solve 5.2 x 1,000, how many places to the right must the decimal point move?

3 places

300

Solve: 1.2 x 0.6

0.72

300

School: One mechanical pencil costs $0.75. How much does a pack of 12 pencils cost?

$9.00

300

A farmer’s tractor uses 4.5 gallons of fuel per hour. How much fuel does it use in 2.5 hours?

11.25 gallons

400

Solve: 0.06 x 1,000

60

400

Solve: 3.15 x 0.4

1.26 (or 1.260)

400

Fortnite: A player earns 0.5 points for every second in the "Storm." If they survive for 15.5 seconds, how many points do they get?

7.75 points

400

At the Iowa State Fair, a "Mega-Corn-Dog" is 1.2 feet long. If 6.5 friends each buy one and line them up, how long is the line?

7.8 feet

500

If you multiply 0.015 by a power of 10 and the answer is 15, what number did you multiply by?

1,000 (or 103)

500

Solve: 0.85 x 0.12

0.102

500

Running: A student runs 1.25 miles every day for 4.5 days. How many total miles did they run?

5.625 miles

500

A Hawkeye jersey is on sale for 0.75 times its original price of $60.50. What is the sale price? (round to the nearest cent/hundredth)

$45.375 - Rounded to - $45.38