Adding and Subtracting Up to 100

Do the decimals have to be lined up when you're adding and subtracting?

• Yes

• No

Tags

CCSS.5.NBT.B.7

-2 + 4 

• -2

• 2

• 0

• -4

Tags

CCSS.7.NS.A.1C

-9 + (-5)

• -14

• 14

• -4

Tags

CCSS.7.NS.A.1C

10 + (-4) = ?

• -6

• 6

• 14

• -14

Tags

CCSS.7.NS.A.1C

-14 + (-3)

• -17

• 11

• -11

• 17

Tags

CCSS.7.NS.A.1C

-10 + 10

• 20

• 0

• -20

• 1,000,000

Tags

CCSS.7.NS.A.1B

-7 - (-7)

• 14

• 0

• -14

• 1

Tags

CCSS.7.NS.A.1C

12 - (-3) = 

• 9

• -9

• 15

• -15

Tags

CCSS.7.NS.A.1C

-4 − (-2)

can be rewritten as:

• -4 + 2

• -4 - 2

• 4 + 2

• 4 - 2

Tags

CCSS.7.NS.A.1C

Round these numbers to the nearest ten and then add.

13 + 78=

• 91

• 2,123

• 100

• 80