Enter Title

Integers and Their Opposites

100

What is the opposite of 15?

-15

200

What is the opposite of the following numbers:

2      -5      -17      25

-2      5      17      -25

300

Represent the following statement as an integer:

Mrs. Pruneda withdrew $20

-20

400

Represent the following statement as an integer then provide its opposite:

Cesar won 20 points

20          -20

500

Aubrey deposits $25 in her account. Then she makes two withdrawals, one for $7 and one for $15. What is the total change in balance to Aubrey's account. Explain.

-$22 because you add -7 plus -15 and get -22 being withdrew.  

Add and Subtract Integers

100

-8 + -2=

-10

200

9 - -3=

12

300

18 + - 8=

10

400

-9 - 8=

-17

500

-28 - -24=

-4

Multiply and Divide Integers

100

16 x -13=

-208

200

- 32 x 12=

-384

300

-192 / 6= 

-32

400

-252 x -18=

4536

500

-608 / -4=

152

Add and Subtract Rational Numbers

100

34.52 + -22.12=

12.4

200

-6/8 + 2/8=

4/8 or 1/2

300

2/3 + -1/6=

3/6 or 1/2

400

-1783.25 - -2764.8=

981.55

500

-6/7 - 4/5=

-1 and 23/25

Multiply and Divide Rational Numbers

100

2/3 x 3/4=

6/12 or 1/2

200

12.5 x 0.4=

5

300

3/4 / 5/8=

1 and 1/5

400

135.23/ 0.6=

225.38333333

500

1 and 1/3 x 3 and 1/4=

4 and 1/3