Math Rocks Integers

Which integer is greater?

• -45

• -55

-3+ (-12)=

• 15

• -15

• 9

• -9

7+ (-6)=

• 13

• -13

• 1

• -1

-4- (-10)=

• 14

• -14

• 6

• -6

5- (-3)=

• 8

• -8

• 2

• -2

At 8:00 AM, the thermometer read -2 degrees.  By noon, the temperature had risen to 10 degrees.  How many degrees did the temperature rise between 8:00 and 12:00?

• 6 degrees

• 8 degrees

• 12 degrees

• -12 degrees

Ms. Simpson has a new pool. The deep end is 13 feet deep, and the shallow end has a depth of 4 feet. What is the difference in the amount of water between the deep end and the shallow end?

• 17 feet

• 10 feet

• 9 feet

• None of these

Ms. C is standing on a hill. The hill is 10 feet high. She dropped a rock from the top of the hill into the river below. The river is 6 feet deep. The rock hit the bottom of the river. How many feet did the rock fall?

• 10 feet

• 6 feet

• 16 feet

• None of these

Read this word problem.

The overnight low temperature in Cassidy City was –

17°F. The overnight low temperature in Shakerville was –

6°F. How much warmer was Shakerville than Cassidy City?

To solve the problem, Manny subtracted –

6–(–17) and came up with an answer of –11°F.

Is Manny correct? Why or why not?

• Yes, he is correct.

• No, the answer should have been positive 11.

• No, the answer should have been -23

Jay had $256 in his savings account. He took $78 from the account to buy some running shoes. How much money does Jay now have in his account?

• 136

• 178

• 26

• 166