Decimal Detectives

Vocab

100

Percent

What is a number out of 100?

200

Numerator

What is the top number of a fraction?

300

Denominator 

What is the bottom number of a fraction?

400

Convert

What is changing a number from one form to another?

500

Place value

What is the value of a digit based on its position?

Fluency

100

3.45 + 6.2

9.65

200

12.03 - 4.79

7.24

300

23.85 + 17.40

41.25

400

12.75 - 3.6 + 2.45

11.6

500

34.50 + 28.75 + 41.20 + 19.95

124.40

D r P

100

Convert to a percent: 0.6

60%

200

Covert to a decimal: 25%

.25

300

Convert to a percent: .037

3.7%

400

Convert to a decimal: 7.4%

.074

500

Convert to a decimal: 125%

1.25

Simplify

100

Write 0.5 as a fraction in the lowest terms

1/2 

200

Write 0.75 as a fraction in lowest terms

3/4

300

Simplify and write as a decimal: 25/100 

1/4

400

Reduce the fraction: 45/90

*For 50 extra points: write this as a decimal*

1/2

0.5

500

Write 0.375 as a fraction in the lowest terms

3/8

Random trivia

100

How many colors in the rainbow?

7

200

How many flavors of Takis are there?

A. 4

B. 46

C. 11

B. 46

300

What is Ms. Davis' and Ms. Anderson's favorite class period?

4th period

400

Which of the following is not a real date?

A. March 31

B. November 27

C. February 30

C. February 30

500

What has cities, but no houses; forests, but no trees; and water, but no fish?  

A map