Adding/Subtracting Decimals
Multiplying Dividing Decimals
Area Parallelogram/
Triangle/Trapezoid
Circumference and Circle Area
100

4.5 + 1.3

5.8

100

5.1 x 2

10.2

100

Parallelogram

Base= 2 inches

Height = 15 inches

30 in.2

100

Circumference

Radius is 10 in.

62.8in.

200

9.7 - 3.6

6.1

200

1.3 x 1.5

1.95

200

Triangle 

Base= 10 inches

Height= 23 inches

115 in.2

200

Circumference 

Diameter: 14 inches

43.96 in

300

14.7 - 8.8

5.9

300

132.4 x 3.9

516.36

300

Triangle 

Base= 3.8 inches

Height= 4 inches

7.6 in.2

300

Area 

Radius 13 in

530.66 in.2

400

99.7+18.34

118.04

400

2.76 / 0.3

9.2

400

Trapezoid

Base: 4 inches

Base:10 inches

Height: 5 inches

35 in.2

400

Area 

Radius 45 in

6358.5 in2

500

60.04 - 1.9456

58.0944

500

9.12 / 0.24

38

500

Trapezoid

Base: 6 inches

Base: 12 inches

Height: 4 inches

36 in.2

500

Find the circumference AND the area


Radius: 21 inches?

Circumference= 131.88in.

Area= 1384.74 in.2