Review of Integer Operations

When adding or subtracting integers, if the two numbers have the same sign, then.....

• we add and use the same sign

• we subtract and use the same sign

• we add and use a different sign

Tags

CCSS.7.NS.A.1C

When adding integers, if the two numbers have different signs, then.....

• we add AND take the sign of the number with greatest absolute value

• we subtract AND take the sign of the number with greatest absolute value

Tags

CCSS.7.NS.A.1C

-6 + (-19) = ?

• 25

• -25

• 15

• -15

Tags

CCSS.7.NS.A.1C

-6 - 19 = ?

• 25

• -25

• 15

• -15

Tags

CCSS.7.NS.A.1C

-5 - 32 = ?

• -27

• 27

• -37

• 37

Tags

CCSS.7.NS.A.1C

14 + (- 27) = ?

• -13

• 13

• -41

• 41

Tags

CCSS.7.NS.A.1C

-11 - 8 = ?

• -3

• 3

• 19

• -19

Tags

CCSS.7.NS.A.1C

When multiplying and dividing positive and negative numbers if the signs are the same the answer will be.....

• Positive since the signs are the same

• Negative since the signs are the same

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

When multiplying and dividing positive and negative numbers if the signs are different the answer will be.....

• Positive since the signs are different

• Negative since the signs are different

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

 $-8\ \times-9$ = ?

• -72

• 72

• 45

• -45

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B