Fun With Math

Converting fractions

100

Convert 50/100 to a decimal

.50 

200

Convert 5/10 to a decimal

.5

300

Convert .006 to a fraction

6/1000

400

Convert 75/100 to a percent

75%

500

Convert 125/100 to a percent

1.25%

Converting D /F to Percents

100

Convert .66 to a fraction and a percent

66/100 and 66%

200

convert 2/6  to a percent (round to the hundreths place)

.33

300

Convert .06 to a percent

6/100 = 6%

400

Is 6.23 the same as 6.23%.  Explain

No.  6.23 means 6 23/100 which is 623/100

500

convert 1000/100 to a whole number

10

Solve for a Variable

100

3x = 21

x=7

200

4 + b = 28

b = 24

300

5y + 15 = 75

y = 12

400

12y + 7 -5 -y = 79

y = 7

500

14r - 12 = 16r + 14

r = -13

Area

100

What is the area of a rectangle that is 12 in wide and 14 in long?

168 in²

200

What is the area of a triangle whose base is 13 cm and whose height is 24.63 cm?

320.19 cm²

300

What is the area of a circle whose diameter is 24 m?

 

452.16m²          

400

What is the length of a rectangle whose area is 47.5 in² and whose width is 11in? Round to the nearest hundredth.

4.32 in

500

What is the height of a triangle whose base is 17.4mm and whose area is 117.52 mm² ? Round your answer to the nearest hundredth.

13.51mm

Misc

100

What is 30% of 180?

54

200

If 3 pounds of apples cost $9, what is the price of APPLES PER POUND?

$3

300

What is 40% of 120?

48

400

Mrs. Schroeder drives 180 miles to Flagstaff in 3 hours. At this rate, how far can she drive in 6 hours? 

360 miles

500

There are 7 boys; 3 girls; one teacher; one principal; and a mom of one of the students in the class.  What is the ratio of boys to ALL the people?

7 to 13