Math :D

Finding Circumference

100

A circle has a diameter of 8cm. Find the circumference.

C= 25.12cm

200

A circle has a diameter of 10in. Find the circumference.

C= 31.4in

300

A circle has a radius of 8ft. Find the circumference.

C= 50.24ft

400

A circle has a diameter of 2.1mm. Find the circumference.

C= 6.954mm

500

A circle has a radius of 14ft. Find the circumference.

C= 87.92ft

Area of a circle

100

A circle has a radius of 3ft. Find the area.

A= 28.26ft²

200

A circle has a radius of 9cm. Find the area.

A= 254.34cm²

300

A circle has a radius of 8in. Find the area.

200.96in²

400

A circle has a diameter of 32ft. Find the area.

A= 803.84ft²

500

A circle has a diameter of 43mm. Find the area.

A= 1451.465mm²

Multiplication of (+) and (-) fractions

100

3/5 multiplied by 7/3

A= 2 and 1/3

200

-4 and 1/3 multiplied by 4/5

A = -3 and 7/15

300

-8/7 multiplied by -5/3

A= 1 and 19/21

400

6 and 6/12 multiplied by -4 1/3

A= -28 and 1/6

500

-42/4 multiplied by 6/7

A= -9

One & Two-Step Equations

100

2b + 36 = 100 (b=?)

b= 32

200

6x = 72 (x=?)

x=12

300

6y + 43= 67 (y=?)

y=4

400

21x= 231

x=11

500

6y - 64= 8 (y=?)

y=12

Order of Operations

100

(6-4²)+5-8=?

A= -13

200

-2(4²)+10=?

A= -22

300

8-(4-2)² +8 divided by 2?

A=0

400

5 x (11)² + 18² - 18²= ?

A= 605

500

-4 x 36 +3 x (16-4)² + 16² - 16² = ?

A= -72