Log in
Sign up for FREE
arrow_back
Library

Operations with Rational Numbers Skills Check

star
star
star
star
star
Last updated almost 8 years ago
18 questions
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Question 1
1.

Question 2
2.

-15.2 + (-7.4) =

Question 3
3.

Question 4
4.

Question 5
5.

Supergirl had some kryptonite with a radiation rating of -4.5 rads. She uses her super strength to combine it with some lead, which has radiation rating 7.1 rads. What is the final radiation rating of this combination?

Question 6
6.

Poison Ivy had $17.34 in her account. She wrote a check for $24.86. What will her account balance be when the check is cashed?

Question 7
7.

Question 8
8.

Question 9
9.

Batman had 93.5% in math class. He did not do well on his last test and his grade changed by -2.8%. What is his new grade?

Question 10
10.

Question 11
11.

Question 12
12.

.6(5.7)=

Question 13
13.

Supergirl had a gift card for a local movie theater. Each time she went to the movies, the balance remaining on the card decresased by $8.50. What number represents the total change in value on her card after she went to the movies 4 times?

Question 14
14.

POison Ivy drank 3 glasses of ice tea. She drank a total of 30.3 ounces. How much did each glass hold?

Question 15
15.

Question 16
16.

Question 17
17.

-0.54 / (-0.6)=

Question 18
18.

Batman had to withdraw a total of $38.22 from three bank accoutns. What number represents the change in value of each bank account?