Adding and Subtracting Integers-Lamy Math 7

Adding and Subtracting Integers

Multiple Choice

Find the value of the expression:

(4 + 15 +7 - 5)

• 21

• -21

• 15

• 31

Multiple Choice

Find the value of the expression:

(- 35 - 15 + 45 + 37)

• 20

• 15

• 32

• -32

Multiple Choice

Mrs. Lamy worked as an underwater photographer. She starts at a position that is 11 feet below sea level. She rises 8 feet, then descends 15 feet to take a photo of a coral reef. Which expression below represents her actions.

• (11 + 8 + 15)

• (-11 - 8 - 15)

• (11 - 8 + 15)

• (-11 + 8 - 15)

Poll

How do you feel about adding and subtracting integers (lessons 1.1 thru 1.4)?

• Easy (I'm confident)

• OK (I still make a few mistakes)

• Ummm... (I still make many mistakes, but I understand why)

• Totally Not OK, (I don't understand)