Operations with Integers

Adding Integers

100

Add the integers 

6+(-4)

What is 2?

200

DOUBLE JEOPARDY

Fill in the blanks.

When adding integers and the signs are ________, you ________ the integers and _______________.

When adding integers and the signs are __________, you _________ the integers and _______________.

When adding integers and the signs are ARE THE SAME, you ADD the integers and KEEP THE SAME SIGN.

When adding integers and the signs are DIFFERENT, you SUBTRACT the integers and TAKE THE SIGN FROM THE LARGER DIGIT.

300

Add the integers

-5 +( -6 )+3

What is -8?

400

Add the integers

-12 + (-4) +( -3)

What is -19?

500

Add the integers

-20 + 3 + (-2 )

What is -19?

Subtracting Integers

100

DOUBLE JEOPARDY

When subtracting integers, you __________, __________, __________ and then __________________________________________.

When subtracting integers, you KEEP, CHANGE, FLIP and then FOLLOW THE ADDITION RULES.

200

Subtract the integers

-5-7

What is -12?

300

Evaluate r - s if

r = -15 and s = -10

-5

400

Subtract the integers

-9 - 4 - 1 - (-2)

What is -12?

500

Subtract the integers

-4 - (-6) - 2 

What is 0?

Multiplying Integers

100

Multiply the integers

(-3)·(2)

What is -6?

200

Multiply the integers

(3)·(-6) 

What is -18?

300

DOUBLE JEOPARDY

When multiplying integers and the signs are _____________, the answer will be ______________.

When multiplying integers and the signs are _____________, the answer will be ______________.

When multiplying integers and the signs are THE SAME, the answer will be POSITIVE.

When multiplying integers and the signs are DIFFERENT, the answer will be NEGATIVE.

400

(-7)(-6)(1)

What is 42?

500

Multiply the integers

(-2)(3)(-7)

What is 42?

Dividing Integers

100

Divide the integers

-15 ÷ 3

What is -5?

200

DOUBLE JEOPARDY

When dividing integers and the signs are _________, the answer will be __________.

When dividing integers and the signs are _________, the answer will be __________.

When dividing integers and the signs are THE SAME, the answer will be POSITIVE.

When dividing integers and the signs are DIFFERENT, the answer will be NEGATIVE.

300

Divide the integers

-48 ÷( -6)

What is 8?

400

Divide the integers

-84 ÷( -7)

What is 12?

500

Divide the integers

-56 ÷ 7

What is -8?

Comparing & Ordering Integers

100

Which is bigger? -4 or 2 

What is 2?

200

Which is smaller? -9 or -7 

What is -9?

300

 DOUBLE JEOPARDY

Player             Best Score            Worst Score                              Ms. C                -4                           +9                                       Mr. M                -3                           +7                                      Mr. L                 +2                          +18                                     Mr. K                 -1                          +16                                                   Put the players in order from least variation (distance) to greatest variation (distance).

Mr. M (10)

Ms. C (13)

Mr. L (16)

Mr. K (17) 

400

Order these integers from greatest to least: -5, -9, 2, -2, 5 

What is 5, 2, -2, -5, -9

500

Order these integers from least to greatest: -11, -9, -15, -8, -13 

What is -15, -13, -11, -9, -8?

WILD

100

Which pairs are additive inverses?

* 1 and 5                               * 0 and -1

* -6 and -6                            * 5 and -5

* -7 and 7                              * 8 and 8

* (-7 and 7)

* (5 and -5)

200

The distance away from zero is known as the__________.

ABSOLUTE VALUE

300

Ms. Chatelle made a deposit of $235 on Monday.  On Wednesday she went shopping and made a purchase of $43 at Target and $116 at Walmart.  She made another deposit on Friday for $65.  What was Ms. Chatelle's balance after these transactions?  

$141

400

DOUBLE JEOPARDY

Evaluate if f = -3, g = -4, and h = 2

f²gh 

-72

500

Evalute.

-2 (36/-9) + (-4)

4