Integer grade 5

Integer Operations

Pay extra attention to the operating sign.

Fill in the Blank

What is the order from least to greatest of -1, 2, and -3?

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Adding Integers

• If the signs are the SAME, ADD and KEEP the same sign. Ex: -13 + -27 = -40

• If the signs are DIFFERENT, SUBTRACT and use the sign of the STRONGER number. Ex: -24 + 5 = -19

Multiple Choice

$$-7+\left(-7\right)=...$$

• -7

• 0

• -14

• 14

Multiple Choice

$$-9+(-8)=x$$

• x = 1

• x = -1

• x = -17

• x = 17

Multiple Choice

$$-12+20=...$$

• 8

• -8

• -22

• 22

Multiple Choice

$$7+\left(-24\right)=...$$

• 34

• -34

• -17

• 17

Fill in the Blank

The temperature one day was $$6\degree F.$$ The low temperature was $$-3\degree F.$$ What was the difference between the high and low temperatures for the day? $$......\degree F$$

Multiple Choice

During a 12 hour period, the temperature dropped 48 degrees F. How many degrees did the temperature drop each hour?

• $$4\degree F$$

• $$-4\degree F$$

• $$56\degree F$$

• $$-56\degree F$$

Multiple Choice

During the hot summer months, the height of the water in my pool decreases by 4 inches each week. What is the change in height over a six week period?

• 24 inches

• 10 inches

• -24 inches

• -10 inches

Subtracting Integers

• Rewrite as an addition problem.

• ADD the OPPOSITE

• Ex: 5 - (-2) becomes 5 + (+2) = 7

Fill in the Blank

4 and -4 are called...

Multiple Choice

Rewrite $$-9-(-3)$$ using "add the opposite" strategy.

• -9 + 3

• (-9) + (-3)

• 9 + (-3)

• 9 + 3

Multiple Choice

$$7-\left(-9\right)=...$$

• -2

• 2

• -16

• 16

Multiple Choice

$$-15-\left(-7\right)=...$$

• -22

• -8

• 8

• 22

Multiple Choice

How many spaces is 4 from 0?

• 5

• 4

• 3

• 2

Multiple Choice

$$-7-\left(-2\right)=...$$

• -5

• -9

• 5

• 9

Fill in the Blank

A football team gains 10 yards in one play, then loses 7 yards in the next. How many yards did the team gain in these two plays?

Multiple Choice

The windchill on a cold day made it feel like 5 degrees be this below zero outside. Write this temperature as an integer.

• 0

• 5

• -5

• -4

Poll

How do you feel about adding and subtracting integers?

• Awesome! I got it!!

• I'm at 75% or higher.

• I'm between 50% and 75%.

• I totally don't get it and need help.

Multiplying and
dividing Integers

• Same sign, POSITIVE answer.

• Different sign, NEGATIVE answer.

• Don't forget to multiply or divide.

Multiple Choice

$$-8\times-9=...$$

• 72

• 81

• -72

• -81

Multiple Choice

$$8\times-7=...$$

• 42

• -42

• 56

• -56

Fill in the Blank

A scientist is measuring the temperature change in a chemical compound. The temperature dropped $$11\degree F$$ per hour from the original temperature. After 4 hours, the temperature was $$90\degree F$$ . Find the compound's original temperature!

Multiple Choice

$$12\div\left(-4\right)=...$$

• 4

• -4

• -3

• 3

Multiple Choice

$$-36\div\left(-4\right)=...$$

• 9

• -9

• -6

• 6

Fill in the Blank

It is a cold winter day in Virginia, the temperature when Falyen woke up this morning was

$$-9\degree.$$  At noon, the temperature increased by  $$8\degree$$ .  What was the temperature at noon? 

-

Fill in the Blank

The temperature one day was $$-7\degree F$$ at 6 A.M. to $$7\degree F$$ at noon. How much did the temperature increase?

Fill in the Blank

Azer and his friends made up a game with points. You can either win or lose up to ten points on each round of the game. After the first round, Azer's team had 2 points. In the second round they lost 6 points. How many points was Azer's team down by after the second round?

-

Fill in the Blank

A mountain climber ascends 800 feet per hour from his original position. After 6 hours, his final position is 11,600 feet above sea level. Find the climber's original position.

Fill in the Blank

The temperature dropped $$13\degree F$$ in 7 hours. The final temperature was $$-2\degree F$$ . What was the starting temperature? .......... $$\degree F$$

Open Ended

$$-4\times2=8$$

Analysis that equation and give your opinion!

Open Ended

$$-4\div-2=-2$$

Analysis that equation and give your opinion!

Open Ended

Overall, how do you feel about operations with integers? Write in a complete sentence, your strengths and weaknesses with integers.