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VOCABULARY
FRACTIONS
DECIMALS
Integers/Expressions
MISC.
100
define additive inverse and give an example
adding opposites to get zero (-7+7=0)
100
-1/2 + 3/5 =
1/10
100
33.25 + (-45.72) =
-12.47
100
-8 + 9 =
1
100
What is the least common multiple (LCM) of 15 and 10?
15, 30 10, 20, 30 LCM = 30
200
Define absolute value and give an example
the distance a number is from zero (absolute value of 4 = 4)
200
-5/6 + 6/10 =
-7/30
200
ESTIMATE the following: (5.25) + (.23) =
about 5.50
200
-4 + 20 =
16
200
What is the greatest common factor (GCF) of 108 and 420 ? A. 6 B. 9 C. 12 D. 18
c. 12
300
How do you say the following decimal in mathematical terms? 1.2567?
one and two-thousand, five-hundred, sixty-seven ten thousandths
300
2/3 - (-1/5) =
13/15
300
-18.2 + 4 - (-10) =
-4.2
300
What is the value of the expression? 2 + 3 + 3 + | –4 |
12
300
What is the greatest common factor (GCF) of 64 and 84 ? a. 2 b. 4 c. 6 d. 8
b. 4
400
Define rational number and give an example
any number that can be written as a fraction (-2/3)
400
9/4 + (-2/3)
19/12 OR 1 and 7/12
400
6.5 - (-3.2) =
9.7
400
11 + (-8) - (-4) =
7
400
-200 + 99 - 400 =
-501
500
define and give an example of a square root
a number multiplied by the same number the square root of 25 is 5
500
1 and 3/4 - (-1/2)
2 and 1/4
500
Allen wants to buy 1.5 lbs. of nails at .40 per pound. ABOUT how much money will it cost him?
about 75 cents
500
Simplify the expression (-4)(3)(-1)(-2).
-24
500
What is the greatest common factor (GCF) of 450 and 735 ? A. 3 B. 5 C. 15 D. 35
c. 15