Math Review 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20

Division and Multiplication

100

9387 ÷ 2

4693.5

200

4693 x 23

107,939

300

17,939 ÷ 9

1993.222

400

1,627 ÷ 4

406.75

500

39,536 x 6

6589.33333333  

Fractions, Decimals, and Percentages

100

20 percent to decimal

0.2

200

1/4 to percent

25 percent

300

25 percent of 350

87.5

400

20 percent of 150,550

30110

500

75 percent of 250

187.5

Fractions, Decimals, and Percentages 2

100

If I have 500 animals, half are horses, and 1/4 are sheep, and the rest are cows. 

How many are cows?

(it has to be a number)

125 cows

200

What percent of 25 is 15

60% 

300

What percent of 45 is 28

62.222%

400

If I have 2500 horses, 25% black, 15%  are white, and the rest are grey.

How many are grey?

(it has to be a number)

1500 grey horses

500

If I have 2520 balls, 25% are footballs, 15%  are tennis balls, and the rest are basketballs.

How many are basketballs?

(it has to be a number)

1512