Integers

What is/are the shortcut/s in adding/subtracting 2 integers? Choose all possible answers.

• Same signs, add then copy the sign

• Different signs, subtract then copy the sign of the higher digit

• Same signs, subtract then copy the sign

• Different signs, add then copy the sign of the higher digit

-6 - 4

• 10

• 2

• -2

• -10

-18 +(-6)

• 3
• -3
• -12
• -24

Tags

CCSS.7.NS.A.1C

-9 - 5

• -14
• 4
• -4
• 45

Tags

CCSS.7.NS.A.1C

-3 +(- 2)

• -1
• 5
• -5
• -6

Tags

CCSS.7.NS.A.1C

8 - (-5)

• 1
• -15
• 13
• 15

Tags

CCSS.6.NS.C.5

CCSS.6.NS.C.6

What is/are the shortcut/s in multiplying and dividing 2 integers? Choose all the possible answers.

• Same signs will have a positive answer

• Different signs will have a positive answer

• Different signs will have a negative answer

• Same signs will have a negative answer

(-4)(-5)

• -9
• -20
• 9
• 20

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

3 - (-8)

• 11
• -11
• 5
• -5

Tags

CCSS.7.NS.A.1C

-32/8

• -4
• -5
• 4
• 24

Tags

CCSS.7.NS.A.2B

CCSS.7.NS.A.2A