Addition
Subtraction
Division
Multiplication
Sets of Numbers
100

82 + 11.48

93.48

100

121 - 9

112

100

144 ÷ 12

12

100

28 X 11

308

100

Place the number 9 in the venn diagram.

The number 9 should of been placed under "natural numbers". Because it is a natural number, we know it is also a whole number, integer, rational, and real number.

200

66.2 + 24.8

91

200

86.2 - 11

75.2

200

564 ÷ 4

141

200

129 X 14

1,806

200

Place the number -9 in the venn diagram.

The number -9 should have been placed under "integers" because it is a negative number. Since it is an integer, this tells us it is also rational and a real number.

300

12.3 + 7.25

19.55

300

360.8 - 41.6

319.2

300

38.2 ÷ 2

19.1

300

561.1 X 47

26,371.7

300

Place the number 9.5 in the venn diagram.

The number 9.5 should have been placed under "rationals" in the venn diagram because it is a terminating decimal. Because it is a rational, we know it is also a real number.

400

23 + 115.28

138.28

400

772 - 28.1

743.9

400

93 ÷ 6

15.5

400

89.3 X 4.56

407.208

400

Place the number -9.5 in the venn diagram.

The number -9.5 should have been placed under "rationals" in the venn diagram. Even though it is a negative number, we cannot place it under integers because decimals are not integers.

500

361.8 + 57.96

419.76

500

293.19 - 211.25

81.94

500

156.4 ÷ 8

19.55

500

91.3 X 30.7

2,802.91

500

Place the number "9.555..." in the venn diagram.

The number "9.555..." should have been placed under "rationals" in the venn diagram because although it is a non-terminating decimal, it has a repeating pattern. Non-terminating decimals that have a repeating pattern are rationals.