Adding, Subtracting, Multiplying, & Dividing Rational Numbers

What is the result of adding a positive number to a negative number?

• You get a positive number.

• You subtract the absolute values and take the sign of the number with the larger absolute value.

• You always get zero.

• You get a negative number.

Evaluate: -14 + (-3)

• -10

• -14

• -17

• -20

Evaluate: 34.5 + (-7)

• 27.5

• 28.5

• 30.5

• 26.5

What is the result of dividing two negative numbers?

• The result is negative.

• The result is zero.

• The result is positive.

• The result is undefined.

Evaluate: -19 - 10

• -19

• -29

• -9

• -39

Evaluate: -18 ÷ (-2)

• -9

• 9

• -6

• 6

What is the result of subtracting a positive number from a negative number?

• You get a positive number.

• You combine the absolute values and keep the negative sign.

• The result is always zero.

• You get a negative number with a larger absolute value.

What is a rational number?

• A number that can be expressed as a fraction of two integers.

• A number that cannot be expressed as a fraction.

• A number that is always an integer.

• A number that has an infinite number of decimal places.

Evaluate: -7 + 4

• -1

• -3

• 1

• -4

Evaluate: 5 + (-8)

• -5

• -3

• 2

• 3