Adding and Subtracting Integers

Adding and Subtracting Integers

• ​I can identify the absolute value of a rational number

• I can describe situations in which opposite quantities combine to make zero

• I can represent addition and subtraction on a number line.

• ​I can rewrite subtraction of a rational number as adding the opposite.

• I can add and subtract integers.

• I can solve real-world and mathematical problems involving addition and subtraction of integers​

​Types of numbers

• ​Positive Numbers - numbers greater than zero

• ​Negative Numbers - numbers less than zero​

• ​Rational Numbers - any number that can be written as a fraction

• ​Integers - all whole numbers and their negative counterparts

Multiple Choice

What term best fits the description below?

Any number that can be written as a fraction

• Rational Numbers

• Positive Number

• Negative Number

• Integer

Multiple Choice

What term best fits the description below?

All whole numbers and their negative counterparts

• Rational Numbers

• Positive Number

• Negative Number

• Integer

Multiple Choice

The absolute value of a number is always positive.

• True

• False

Multiple Choice

​I can identify the absolute values of a rational number.

$$\left|-9\right|=$$  

• -9

• 9

• 11

• -19

Multiple Choice

​I can identify the absolute values of a rational number.

$$\left|9\right|=$$  

• 9

• -9

• 11

• -19

Multiple Choice

​I can describe situations in which opposite quantities combine to make zero.

The opposite of -12 is...

• -12

• 1

• 12

• 24

Multiple Choice

​I can describe situations in which opposite quantities combine to make zero.

Fill in the blank.

$$7+\underline{\ \ \ \ \ \ \ \ \ \ \ \ \ \ }\ =0$$  

• 7

• 17

• -7

• 14

Multiple Choice

​I can represent addition and subtraction on a number line.

What expression is represented by the number line?

• -4+2=-2

• -2-2=-4

• 2+4=6

• 2+2=4

Multiple Choice

​I can represent addition and subtraction on a number line.

What expression is represented by the number line?

• -6+10=4

• 10-6=4

• 4+6=10

• 6+4=10

Multiple Choice

I can add two negative integers.

$$-2+\left(-8\right)\ =$$  

• 10

• -10

• 6

• -6

Multiple Choice

I can add two negative integers.

$$-5+\left(-4\right)\ =$$  

• 1

• -1

• 9

• -9

Multiple Choice

I can add integers with different signs.

$$-5+6\ =$$  

• 1

• -1

• 11

• -11

Multiple Choice

I can add integers with different signs.

$$5+\left(-6\right)\ =$$  

• 1

• -1

• 11

• -11

Multiple Choice

​I can rewrite subtraction problems as adding the opposite.

Rewrite the following expression using addition.

$$3-\left(-4\right)\ =$$  

• -3+4

• 3+4

• 3+(-4)

• -3+(-4)

Multiple Choice

​I can rewrite subtraction problems as adding the opposite.

Rewrite the following expression using addition.

$$-2-\left(-9\right)\ =$$  

• -2+9

• 2+9

• -2+(-9)

• 2+(-9)