What do VAMPIRES do on HALLOWEEN?

Eat, Drink and Be Scary.

What should you do if you are surrounded by 20 lions, 15 tigers

and 10 Leopards?Just wait for the

merry go round to stop and jump off.

Adding IntegersSame Signs:

Add the two numbers and use the same sign.

Different Signs: Subtract the two numbers, use the sign of the number with the larger absolute value.

Rule: To subtract an integer, add its opposite.

(Make two marks.)

Subtracting Integers

Sections 2.4, 2.5

Positive and Negative Numbers(Part 3)

Rules for Multiplying IntegersRules:

Positive x Positive = PositivePositive x Negative = NegativeNegative x Positive = NegativeNegative x Negative = Positive

+ • + = ++ • - = -- • + = -- • - = +

Find each product.

IF And

Find each product.

Rules for Dividing IntegersRules: Same as Multiplying

Positive ÷ Positive = Positive

Positive ÷ Negative = Negative

Negative ÷ Positive = Negative

Negative ÷ Negative = Positive

+ ÷ + = ++ ÷ - = -- ÷ + = -- ÷ - = +

Divide.

Divide.

Find the average (mean) of 10, –12, 9, 15, –4, 0, –1, and 7.

Homework

PracticePizzazz AA-27, AA-30