Adding and Subtracting Rational Numbers

Integers

100

7-9

-2

200

9+(-4)

5

300

-3-14

-17

400

-2+13

11

500

-11+(-12)

-23

Decimals

100

1.2-3.4

-2.2

200

9.7+(-3.5)

6.2

300

-4.3-4.5

-8.8

400

-5.4-1.3

-6.7

500

-9.1+(-1.4)

-10.5

Rules

100

A positive number plus a positive number will result in a _________ number?

(Positive, Negative, Unknown)

Positive

200

A positive number subtracting a positive number will result in a _________ number?

(Positive, Negative, Unknown)

Unknown

300

A negative number subtracting a positive number will result in a _________ number?

(Positive, Negative, Unknown)

Negative

400

A negative number plus a negative number will result in a _________ number?

(Positive, Negative, Unknown)

negative

500

A negative number subtracting a negative number will result in a _________ number?

(Positive, Negative, Unknown)

Unknown

Grab Bag

100

What is the only continent without bees?

Antartica

200

What is James Bond's code name?

007

300

On July 20, 1969, Neil Armstrong became the first person in history to do what?

Walk on the moon.

400

What does a cobbler make?

Shoes

500

What is the most popular sport in India?

Cricket