Math 1 - Ethier

Circumference

100

The diameter of a circle is 4 inches. What is the circumference? 

12.56

200

The diameter of a circle is 8 inches. What is the circumference?

25.12 inches

300

The diameter of a circle is 13 centimeters. What is the circumference?

40.82 centimeters

400

The RADIUS of a circle is 2 inches. What is the circumference?

12.56 inches

Addition

100

32+7

39

200

12.3+1.72

14.02

300

3+112

115

400

32.1+12

44.1

Subtraction

100

72-11

61

200

12.7-1.5

11.2

300

382-111

271

400

1164.8-36.48

1128.32

Multiplication

100

11x4

44

200

53-46

7

300

89-12.36

76.64

400

136-135.9

0.1