Chapter 1 Review

Exponents

100

Expand and multiply: 4³

4 x 4 x 4 = 64

200

What is the exponent in this number?

6⁵

5

300

What is the base in this number?

3⁶

3

400

Express the prime factorization of 120 using exponents

120 =  2³  x  3  x  5

500

Express 4^-2 using positive exponents

1/4²

Numbers

100

Add:

2.013 + 64.16

66.173

200

Which digit is in the hundredths place? 156.24

4

300

Multiply these fractions

4/7  x  21/2

6

400

Which # is largest?

256.99

256.90

256.956

256.99

500

Is 1 a "natural" number?

YES

Percents

100

Express 5% as a decimal

0.05

200

Express 3% as a decimal.

0.03

300

What is 4% of 140?

5.6

400

36 is what percent of 48?

36 = x48

36/48 = .75

500

What is 8% of 50?

.08 x 50 = 4

GCF/LCM

100

Find the GCF for 10 and 25

5

200

Find the GFC for 50, 150, and 500

50

300

Find the LCM of 9 and 21

63

400

Find the LCM of 40 and 60

120

500

Find the LCM of 51 and 34

102

Ratios

100

There are 5 teachers and 80 students. Write the ratio of teachers to students and reduce.

5/80 = 1/16

200

 I cooked 4 pounds of chicken and 10 pounds of beef. What is the (reduced) ratio of chicken to beef?

4/10 = 2/5

300

BONUS:  Ornithophobia is a fear of what animal?

Birds

400

A hotel has 20 rooms and 60 people. What is the ratio of rooms to people (reduced)?

20/60 = 1/3

500

Bonus question:

What classic cartoon first aired in 1937 and is still loved by (some) children today?

Daffy Duck