- 12 + - 8

• - 20
• 20
• 4
• -4

Tags

CCSS.7.NS.A.1C

- 31 + - 7

• 24
• -24
• - 38
• 38

Tags

CCSS.7.NS.A.1C

42 + 18

• -60
• 24
• -24
• 60

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

- 2.5 + (- 4.1)

• -1.6

• 1.6

• -6.6

• 6.6

Tags

CCSS.7.NS.A.1C

14.2 + 8.5

• 20
• 22.7
• 99.2
• 150.5

Tags

CCSS.6.NS.B.3

402.1 + 7.392

• 7794.1
• 1141.3
• 11413
• 409.492

Tags

CCSS.6.NS.B.3

1/2 + 1/2 

• 2/2 (or 1)
• - 2/2 (or -1)
• 2/4 
• - 2/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

- 1/4 + - 2/4 

• - 3/8
• 3/8
• 3/4
• - 3/4

Tags

CCSS.7.NS.A.1C

Fill in the blank for the following rule: If the rational numbers have same signs, ______________ the absolute values and keep the common sign.

• add

• subtract

• multiply

• divide

Tags

CCSS.7.NS.A.1C

Fill in the blank for the following rule: If the rational numbers have different signs, ____________________ the absolute values and keep the sign of the number with the biggest absolute value.

• add

• subtract

• multiply

• divide

Tags

CCSS.7.NS.A.1C