Demie's Math Lesson

Simplify fractions

100

What does 72/108 = ?

2/3

200

What does 48/100 = ?

12/25

300

What does 50/125 = ?

2/5

400

What does 175/350 = ?

1/2

500

What does 208/400 = ?

13/25

Proportions word problems

100

24 loaves of bread cost $48. How much does 10 loaves cost?

$20

200

It takes Mike 18 minutes to finish reading 4 pages of a book. How long does it take for him to finish reading 30 pages?

135 minutes.

300

13 candy bars weigh 26 ounces. What is the weight of 35 candy bars?

70 ounces.

400

A chef made 30 donuts in 60 minutes. How long would it take him to make 90 donuts?

180 minutes.

500

It took Nora 10 hours to walk a 30-mile trail. How long did it take her to walk 9 miles at the same speed?

3 hours

Integers Division

100

Find the quotient. -10/-10 = ?

1

200

Find the quotient. -176/11 = ?

-16

300

Find the quotient. -100/10 = ?

-10

400

Find the quotient. -144/12 = ?

12

500

Find the quotient. -156/-12 = ?

13