Chapter 1 Math Review

Powers of 10

100

What is the tiny number above the base number called?

Example: 10^?

an exponent

200

Solve 10⁰

1

300

Find the answer for : 10⁷

10,000,000

400

Solve: 3 X 10²

300

500

Find the original problem for this answer: 60,000,000,000

6 X 10¹⁰

Whole Number Place Value

100

What number is in the tens place:  767

6 (or 60)

200

What place value is the number 5 in:  7500

Hundreds

300

What is the number name for the following number: 678

six hundred seventy eight

400

Write the following number in expanded form: 129,468

100,000 + 20,000 + 9,000 + 400 + 60 + 8

500

Write the following number name in STANDARD FORM: three thousand four hundred five 

3,405

Decimal Place Value

100

What is the place value of the digit 6: 

7.968

Hundredths

200

What digit is in the tenth's place?

.990

9

300

Turn the following decimal into a fraction: 

.55

55/100

400

Turn the following fraction into a decimal: 9/1000

.009

500

Are the following fractions and decimals equal?

2/10 = .200

YES

Comparing Decimals

100

Compare the following decimals:

3.45

6.45

3.45 > 6.45

200

Compare the following decimals: 

1.20

1.2

1.20 = 1.2

300

Which number is the greatest?

6.7

7.8

2.3

7.8

400

Which decimal is the least?

5.5

4.4

20.2

4.4

500

Order these decimals from least to greatest:

2.20

3.45

2.09

2.09,2.20,3.45

Rounding Decimals

100

Round to the tenths place in the following decimal: 

.791

.800

200

Round to the hundredths place:

.232

.230

300

Round to the thousandths place:

.7070

.7070

400

Complete the statement:

5 or more...

raise the score

500

Round to the whole number:

99.99

100.00