Area and Circumference
Ratios
Distributive Property
Algebra
Simplify Expressions
100

Find the circumference of a circle with a radius of 12cm

75.36cm

100

The ratio of length to width of a rectangular room is 6ft by 7ft. If the room is 36ft long, how wide is it?

42ft

100

2(3x+7)

6x+14

100

1/4x=5

x=20

100

2/7 + 5/14 divided by 1/2

1 whole (7/7)

200

Find the area of a circle with a radius of 3m.

28.26m2

200

The ratio of girls to boys in a room is 3 to 4. If there are 32 boys, how many girls are there?

24 girls

200

1/2 (9x+32)

3x+16

200

9x+4y-3x-2y

6x-2y

200

(72-22)-(42-12)

30

300

What is the scale factor of the two triangles? Find x

scale factor of 3 

x=9cm

300

In a coin collection, the ratio of buffalo nickels to non-buffalo nickels is 2 to 8. If there are 96 non-buffalo nickels, how many buffalo nickels are there? 

24

300

1/3 (36x-24y+12)+(-19)

12x-8y+(-15)

300

3.84-14 divided by (0.2) (0.2)

-254

300

(-2)(-6) divided by (-4)

-3

400

Find the circumference of a circle with a radius of 40cm.

251.2cm 

400

The ratio of whole milk bottles to skim milk bottles is 3 to 7. If there are 210 bottles of skim milk, how many bottles of whole milk are there?

90

400
Solve then write the answer as a decimal and a percent:


3(1/2x6/10)

9/10 = 0.9 = 90%

400

Solve by inspection:

4/f = 8/12

f=6

400

1/2 + 2/6 divided by 3/4

17/18

500

Find the area of a circle with a radius of 12m.

452.16m2

500

At the zoo, the ratio of spotted cats to striped cats was 2 to 5. If there are 12 spotted cats, how many striped cats were there?

30

500

34(2x-7y) +73+(-14x)

54x-238y+73

500

72-4(8+2)+square root of 49

16

500

24.56-30 divided by (2.5) (2.5) 

-0.8704