Integer Operations

Word Up

100

The temperature was 62^oF when you woke up. The temperature is now 98^oF. What integer represents the change in temperature?

36^oF

200

A football team lost 3 yards on the first play and another 9 on the next play. What integer represents the change in yardage?

-12 yards

300

Joseph gets an allowance of $15 per week. If he does chores for 4 weeks, how much did Joseph make for his allowance?

$60

400

A submarine begins the day at sea level. They work an 8 hour day and must reach a depth of -240 meters. How much do they need to drop per hour to meet their goal?

-30 meters

500

You are hiking on a mountain and start at an elevation of 25 feet. You descend 30 feet. You ascend 20 feet. You descend 40 feet. You ascend 10 feet. What is your ending elevation?

-15 feet

Things are Starting to Add Up (+)

100

25 + (-27) = 

-2

200

-37 + (-13) =

-50

300

(-15) + 15 =

0

400

-12 + (-9) + 5 =

-16

500

8+(-15)+(-14)+12=

-9

Can You Spot the Difference? (-)

100

15 - 38

-23

200

9 - (-20)=

29

300

32 - (-14) =

DOUBLE JEOPARDY

46

400

-97 - (-82) =

 -15

500

-49 - 22 - (-12) =

-59

I've Got Skills... they're Multiplying! (*)

100

16(-4)

-64

200

-7(9)

-63

300

-12(-5)=

60

400

4(-25)(-2) =

200

500

-5(-3)(-2)(-4)=

DOUBLE JEOPARDY

120

A Math Country, Divided (/)

100

-100 ÷ 4 =

-25

200

27 ÷ -3

-9

300

480 ÷ 6  

80

400

-120 ÷ -40 =

3

500

-350 ÷ 50 =

-7