Standard Form
What's the Power?
Equivalent Decimals
Word Problems
Exponents
100

Write as a standard number: 7×103

7,000

100

100=10?

102

100

Write an equivalent decimal for 0.5

0.50

100

A beetle is 0.24 inches long. A moth is 0.240 inches long. Which is longer?

They are the same length.

100

In the number 73, what is the "base"?

7

200

Write as a standard number: 3×102+5×101+2×1

352

200

1,000,000=10?

106

200

Write an equivalent decimal for 1.70

1.7

200

Maria's tablet is 6.5 inches wide. She incorrectly wrote the width as 0.65 inches. Her number was how many times smaller than the actual width?

10 times smaller

200

Solve 24.

16

300

Write as a standard number: Eight hundred twenty-five thousandths.

0.825

300

8,000=8×10?

103

300

Is 0.6 equivalent to 0.06?

No

300

In Justin’s school, 0.825 of the students play a sport. If there are 1,000 students, how many play a sport?

825 students

300

Write 5 x 5 x 5 using an exponent.

53

400

Write as a standard number: 6×104+2×103+7×100

62,007

400

What is 100?

1

400

Write an equivalent decimal for 23.100

23.1

400

A company packs 100 toys in a box. If they have 10,000 toys, how many boxes do they need?

100 boxes (10,000÷100)

400

Which is greater 34 or 4?

34 (81 is greater than 64)

500

A number has a 5 in the tens place, a 2 in the tenths place, and a 4 in the hundredths place. Write it in standard form.

50.24

500

0.01=10?

10−2

500

Write two equivalent decimals for 1.2

1.20 and 1.200

500

A scientist looks at a cell that is 0.003 cm wide. If she looks at it under a microscope that magnifies it by 102, how wide will the cell appear?

0.3 cm

500

A scientist has a bacteria culture that doubles every hour. If she starts with one bacterium, how would you write the number of bacteria after 6 hours in exponential form?

Break down the Steps:
1. Identify the Base
2. Identify the Exponent
3. Combine and Write in Exponential Form

 

26