 # What two numbers will give you a product of 64 and a quotient of 4?

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What two numbers will give you a product of 64 and a quotient of 4?
Warm-Up What two numbers will give you a product of 64 and a quotient of 4?

Solution 16 and 4 16 x 4 = 64 16 ÷ 4 = 4

Adding Integers We can use positive and negative counters to model the addition of integers. Positive Integer Negative Integer A positive integer paired with a negative integer form a zero pair. The value of a zero pair is 0.

Add -2 + (-4) = -6

Add 5 + 6 = 11

Add -3 + (-5) = -8

Do you notice a pattern or rule? Adding Integers with like signs. - When the signs are the same, add the numbers together and keep the sign.

= -2 Add Remove all the zero pairs.

= 3 Add 4 + (-1) Remove all the zero pairs.

= -1 Add Remove all the zero pairs.

= -4 Add 3 + (-7) Remove all the zero pairs.

Did you notice a pattern or rule?
Adding integers with unlike signs. - When the signs are different, subtract the integers and keep the sign of the larger digit.

Let’s try a few examples using the rules for adding integers.
-20 -6 12 -2 -38 13 1) = 2) = 3) (-19) = 4) = 5) = 6) (-16) = 7) (-5) =

Summary Adding Integers with like signs.
- When the signs are the same, add the numbers together and keep the sign. = -12 Adding integers with unlike signs. - When the signs are different, subtract the integers and keep the sign of the larger integer. = -6

Homework: Lesson 3-4 #2-22 evens

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