Adding and Subtracting Integers

Adding and Subtracting Integers

Addition Tips...

​*Try circling each value and it's sign first! Then check the flow chart.

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Let's walk through the steps for adding integers...

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​-4 + (-6)=

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​-14 + 5=

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Multiple Select

We want to solve: -37 + 14

Which of the following are true? 

• We need to add 37 + 14

• We need to subtract 37 - 14

• The sum will be positive

• The sum will be negative

Fill in the Blank

−37 + 14 = ?

Multiple Select

We want to solve  -28 + (-11) = ?

Which of the following are true? 

• We need to add 28 + 11

• We need to subtract 28 - 11

• The answer will be positive

• The answer will be negative

Fill in the Blank

−28 + (−11)=?  

​Subtraction Tips...

​*Add a line, change the sign! Then use our addition tips!

​6 - 9 = ? can turn into... 6 + (-9) = ?

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​*When a subtraction sign and a negative symbol are side by side, combine them into a plus sign!! Then use our addition tips!

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​4 - (-8) = ? can turn into... 4 + 8 = ?

Multiple Choice

Which of the following show a valid way of solving:  -19 - 18 = ?

• 19 + (-18) = 1

• -19 + 18 = -1

• 19 + 18 = 37

• -19 + (-18) = -37

Multiple Choice

Which of the following show a valid way of solving:  −23− (−17) 

• 23 + (-17) = 6

• -23 + 17 = -6

• 23 + 17 = 40

• -23 + (-17) = -40

Fill in the Blank

−7 − 11 =

Fill in the Blank

−9 − (−15) = 

Multiple Choice

A submarine at -32 feet dives down 18 feet. After the dive, what will be the submarines elevation?

• 14
• -14
• -50
• 50

Multiple Choice

The football team gained 8 yards on the first play. Lost 6 yards on the next. Gained 3 yards on the third play and lost 12 yards on their final play. What was their final change in yardage after the four plays?

• 7
• -7
• 29
• -13

​A shark is being tracked with a fin tag. The shark is swimming steadily 32 feet below the surface before ascending 5 feet and quickly descending 13 feet. What is the total change in the shark's position underwater?