Review Adding Integers

Adding and Subtracting Integers

By Matthew Johnson

​-10: negative sign

10: positive sign

+10: positive sign​

​Some text here about the topic of discussion.

Every Number has a sign

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Multiple Choice

What sign does this number have: -4

• Positive

• Negative

Multiple Choice

What sign does this number have: 4

• Positive

• Negative

Multiple Choice

What sign does this number have: +6

• Positive

• Negative

Multiple Choice

What sign does this number have: 102.7

• Positive

• Negative

Multiple Choice

What sign does this number have: $$\frac{3}{4}$$  

• Positive

• Negative

Multiple Choice

When combining integers if they have the same sign you _____.

• ADD and keep the sign

• SUBTRACT

Multiple Choice

When combining integers if they have different signs you _____.

• ADD

• SUBTRACT and keep the sign of the larger number

Multiple Choice

In the following problem do the integers have the same signs or different signs? $$7+\left(-3\right)$$  

• same

• different

Multiple Choice

In the following problem do the integers have the same signs or different signs? $$-7+-3$$  

• same

• different

Multiple Choice

In the following problem do the integers have the same signs or different signs? $$7+3$$  

• Same

• Different

Multiple Choice

In the following problem do the integers have the same signs or different signs? $$7-3$$  

• Same

• Different

Multiple Choice

In the following problem do the integers have the same signs or different signs? $$-7-3$$  

• Same

• Different

Multiple Choice

Looking at the problem: $$7.25-10.6$$  the integers...

• Have the same signs so we add

• Have different signs so we subtract

Multiple Choice

Looking at the problem: $$7.25-10.6$$  the integers...have different signs so we subtract. We keep the sign of the larger number. Which in this case is -10.6 so our answer is...

• 3.35

• -3.35

Multiple Choice

Look at the problem $$-9.6+-4.3$$  . The integers have...

• The same signs so we add

• Different signs so we subtract

Multiple Choice

Look at the problem $$-9.6+-4.3$$  . The integers have the same signs so we add. When adding we keep the sign so our answer is...

• 13.9

• -13.9

Fill in the Blanks

$61.5+-16.2$  

Fill in the Blanks

$-7+-14.2$  

Fill in the Blanks

$-46-21$  

Fill in the Blanks

$-14+27.8$  

Fill in the Blanks

$56-65$  

Fill in the Blanks

$-11.2+-51$  

Fill in the Blanks

$-42,658.23-65,879.36$  

Fill in the Blanks

$-49-56$  

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Multiple Choice

When we have multiple - signs next to each other without an integer in between them like this: $$-7-\left(-12\right)$$  or this: $$-7--12$$   the first thing we need to do is...

• Turn the two negatives into a positive

• Write down a negative for our answer

Multiple Choice

When we have multiple - signs next to each other without an integer in between them like this: $$-7-\left(-12\right)$$  or this: $$-7--12$$   the first thing we need to do is turn the two negatives into a positive. Then we will have...

• $$-7+12$$  

• $$-7-12$$  

Multiple Choice

When we have multiple - signs next to each other without an integer in between them like this: $$-7-\left(-12\right)$$  or this: $$-7--12$$   the first thing we need to do is turn the two negatives into a positive. Then we will have $$-7+12$$   then we will simplify and get...

• 5

• -5

• 19

• -19

Fill in the Blanks

$4--8$  

Fill in the Blanks

$-16.5-\left(-21\right)$  

Fill in the Blanks

$-7--21$  

Multiple Choice

The highest temperature Tuesday afternoon was $$-12\degree$$  , Tuesday night the temperature dropped $$17\degree$$  to it's lowest temperature of the day. What was the lowest temperature on Tuesday?

• $$29\degree$$  

• $$5\degree$$  

• $$-29\degree$$  

• $$-17\degree$$  

Multiple Choice

A submarine was a depth of 350 feet below sea level. A bird was flying 100 feet above sea level. What is the distance between the bird and the submarine when the bird was directly above the submarine?

• 250 feet

• -250 feet

• 450 feet

• -450 feet