Perfect Squares
Scientific Notation
Powers of 10
Word Problems
100

92 is

What is 81?

100

Write 75,000 in scientific notation.

What is 7.5 x 104?

100

What is the decimal equivalent of 10-2?

What is 0.01?

100

At midnight the temperature was 5o. By 6am the temperature had dropped 12 degrees. The temperature at 6am is...

What is -7o?

200

142 is

What is 196?

200

Write 3.01 x 10-3 in standard form.

What is 0.00301?

200

Re-write 0.001 as a power of 10.

What is 10-3?

200

At one time, the elevation of a mountain peak was 30 feet below sea level. Over time, the elevation has increased by 50 feet. What is the present elevation of the peak?

What is 20 feet above sea level?

300

The square root of 225 

What is 15?

300

Write 0.00045 in scientific notation.

What is 4.5 x 10-4?

300

10-1 = 0.1

10-2 = 0.01

10-3 = 0.001

Based on this pattern, what is 10-5?

What is 0.00001?

300

Every week Jim runs 4 miles on Monday and 6 miles on Tuesday. How many miles does he run in 4 week?

What is 40 miles?

400

Identify the two perfect squares:

30, 36, 47, 50, 89, 100

What is 36 and 100?

400

Order the number from least to greatest.

2.3 x 10-1

3.5 x 10-5

8.9 x 10-2

What is

3.5 x 10-5

8.9 x 10-2

2.3 x 10-1

400

10-1 = 1/10

10-2 = 1/100

What is 10-3 as a fraction?

What is 1/1000?

400

Jennifer makes $4.50 and hour babysitting. If she worked 3 hours on Monday and 2 hours on Tuesday, how much money did she earn?

What is $22.50?

500

At a concert, George notices that the chairs are arranged into a square grid. If there are 324 chairs in total, how many chairs are in each row? 

What is 18?

500

Order the numbers in descending order.

3.4 x 10-3, 2.7 x 10-2, 1.5 x 10-3

What is

2.7 x 10-2

3.4 x 10-3

1.5 x 10-3

500

What is the decimal equivalent of 1/10000?

What is 0.0001?

500

Stephanie bought a large candy bar. She ate 1/2 of it. She gave 1/2 of what was left to Molly. What fraction of the candy bar did Molly receive?

What is 1/4?

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