Adding and Subtracting Integers Review

Poll

How do you feel about adding and subtracting Integers

• Good :)

• I know somethings but still need a little practice.

• I need help.

• I don't have any idea!

Make sure you are following the integer rules when you work out your problem.

Integer Rules

Let's do a little practice.

If you have a regular white board make sure to take care of the supplies.

Do not erase your whiteboard until Ms. Hall has been able to view your work.

Dropdown

When subtracting integers you ​ ​

Select answer

.

Drag and Drop

When adding integers if the signs are the ​ same, then you ​

Placeholder

and ​

Placeholder

the ​

Placeholder

sign.

Drag these tiles and drop them in the correct blank above

add

keep

original

new

subtract

change

negative

positve

Drag and Drop

When you are ​ adding integers and the signs are ​ different , then you ​

Placeholder

and ​

Placeholder

the sign of the ​

Placeholder

number.

Drag these tiles and drop them in the correct blank above

subtract

keep

greater absolute value

add

change

larger

smaller

smallest absolute value

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A diver dives 48 feet below the surface of a lake, dives another 76 feet down, then comes up 15 feet. Find the location of the diver relative to the surface of the water.

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The elevation of Mt. Everest is 29,028 ft and the elevation of the Dead Sea is -1,312 feet. Find the range in these elevations.

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A bird flying 45 feet above a river dives down 58 feet to catch a fish. Find the location of the fish relative to the surface of the water.

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A penny is dropped from a point on a bridge 94 feet above the surface of the river, find the depth of the river where the penny landed.

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In the past 4 months, Alex has lost 8 pounds gained 9 pounds, lost 2 pounds, and lost another 6 pounds. Find his total change in weight.

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The temperature was 12 degrees F at sunset, the -5 degrees F the following morning. Find the overnight change in temperature.

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Kate and Jalon are scuba diving. Kate is 9 feet below the surface and Jalon is 26 feet below the surface. If Kate descends 8 more feet and Jalon rise 4 feet, find the vertical distance between them.

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The temperature on Sunday was 18 F. By Monday, the temperature dropped by -5 F. Find the change in temperature.

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Erin’s bank account had a balance of $257. If $332 is deducted for a car payment, find the balance in the account.

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A football team looses 4 yards on their first play, loses 13 yards on their second play, then gains 2 yards on the third play. Find their change in yards in the three plays.

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A submarine is located 248 feet below the surface of the water. If there is a shark 75 feet directly over the submarine, find the location of the shark relative to the surface of the water.