Exam #2 review

Multiplication

100

15 x 2

30

200

26 x 8

208

300

86 x 9

774

400

55 x 10

550

500

32 x 14

448

Comparing Decimals

100

Fill in the blank with <, >, or =. 89.01____89.001

>

200

Fill in the blank with <,>, or =. 45.02 _____ 44.9

>

300

What place value are you comparing when looking at the following decimals. 34.90 and 34.93

hundredths place

400

Compare the two decimals using <,>, or =. 0.09____ 0.090

=

500

Compare the decimals using <,> or =. 8,903.001 _____ 8,930.001

<

Adding/subtracting Decimals

100

92.30 + 0.32

92.62

200

True or False. 85.22 - 12.619 = 20.817

False 21.871

300

9.1 + 7.21

16.31

400

Sue subtracted 2.9 from 20.9 and got 0.81. Explain why this is not correct. What did Sue do wrong?

Sue lined up the numbers and not the decimal. The correct answer is 18.

500

146.882 + 963.258

1110.14

Exponents

100

Write the following in exponential notation:

2*2*2*2*2*2

2⁶

200

Identity the base and exponent:

7³

Base is 7

Exponent is 3

300

write in expanded form

4⁵

4*4*4*4*4

400

Find the exponent:

8^?=64

2

500

Solve:

6⁴

1296

Random Mix

100

Write the decimal in standard form. two-thousand, five hundred fifty-five and two tenths

2,555.2

200

241.135 What is the place value of the 3?

Thousandths

300

Solve

4⁵

1,024

400

63 x 9

567

500

Write the number in word form. 8,806,002.01

eight million, eight hundred six thousand, two and one hundredth