Self-Test Questions : Lesson 3
Negative Numbers
Real values of less than nothing
1.
What is the difference in absolute magnitudes of 9 and -9?
2.
Which has the greater absolute value, -13 or -4?
3.
Add:
a. ( − 8) + ( − 3)
b. ( − 10) + ( − 4)
c. ( − 19) + ( − 9)
4.
Find the error:
a. − 8 + ( − 9) = − 17
b. − 4 + 8 = 4
c. − 7 + 5 = 12
5.
What is the rule for subtraction?
7.
Find the answers:
a. 7 + ( − 4) =
b. 8 − ( − 6) =
c. ( − 4) + ( − 5) =
d. ( − 5) + ( + 3) =
8.
What is (bm)/(bn)if m = 4, and n = 7?
9.
Write 8 − 4 as a fraction
10.
Write (1)/(15) as a power of 15
11.
Write (1)/(27) as a power of 3
12.
Perform the operation 64 × (1)/(16), using negative exponents where required
Lesson 4 begins on Page 125.
