Integers
Decimals
& Absolute Value
Decimals
& Absolute Value
|-13| __ -25
a. <
b. >
c. =
b. >
|-13| = 13
so, 13 > -25
Solve and write your answer as a mixed number:
-2 x -1 3/4
(/= fraction bar)
3 1/2
Describe how you solve, "105" without using multiplication.
For powers of 10, the exponent tells you the number of zeroes that the number has, after the 1.
- ex: 105 = 100,000
Translate the following expression:
"The difference of six times a number and 5"
6n - 5
translate the following statement into an algebraic expression:
"The product of eight and a number squared".
8n2
9.2 + 2.73
11.93
9/15 - 4/15
( / = fraction bar)
1/3
Write 2,400 in scientific notation
2.4 x 103
(32 x 2) / 3
6
(1-3)2 + (4-15)
-7
8.5 + 2.1
**Convert your answer to a mixed number, in simplest form, for 100 extra points!
10.6
** 10 3/5
3 1/3 + (-1 1/2)
1 5/6
Convert this number into scientific notation:
18,360,000,000
1.863 x 1010
Translate the following expression:
"Sixteen more than the quotient of a number and two"
n/2 + 16
(73 x (4-3)) + 7(7) = ___
392
A skier descended a mountain at a rate of 14 ft/sec. What was the skier's total change in elevation after 8 seconds?
-112 ft.
-14 x 8 = -112
Sam ran 3 1/2 miles on Tues., 2 1/3 on Wed., and 5 3/4 on Thurs. How many miles did he run altogether?
(write answer as a mixed number)
11 7/12 miles
Convert this number from scientific notation, to standard form:
3.9 x 10-3
0.0039
(38 x 2) - (-6+9)
13,119
(-10)-(-6)2 + 32
1
Pete's bank account was overdrawn by $40. He then, spent $30 at the grocery store.
What is Pete's balance now?
-$70
4 4/5 divided by 3 5/9
= 1 7/20
Compare the values: 0.0009 ___ 7.5 x 10-3
a. <
b. >
c. =
a. <
0.0009 < 0.0075
16 - (2 + 72) + 2 x 3
-29
( (-7 x 24) / (18 - 12 / 3) ) - (-2)
* / = fraction bar or division
-6