Download Prealgebra Practice Midterm – PART II – Calculator Allowed

Prealgebra Practice Midterm – PART II – Calculator Allowed
1.
2.
A)
Write 29/8 as a mixed number.
B)
Write 3 3/7 as an improper fraction.
C)
Write 7/9 as an equivalent fraction with a denominator of 909.
D)
Reduce 120,000,000,000 to lowest terms.
150,000,000,000
E)
Show that 17/20 is larger in value than 11/15 by using fractions with the
same denominators.
Identify the property that justifies the statement. The properties that we learned
are commutative property of addition, commutative property of multiplication,
associative property of addition, associative property of multiplication, addition
property of zero, multiplication property of one, and the multiplication property of
zero.
A) 1x = x
B) (10 + 3) + 5 = 10 + (3 + 5)
C) 4(5x) = (45) x
D) 5 + 0 = 5
E) 7(1) = 7
F) 4 + X = X + 4
3.
4.
5.
Evaluate the following if x=5 and y=2.
A)
(y – x)2
B)
-8xy
C)
y-x
D)
10y
x
A)
Find the least common multiple of 12 and 15.
B)
Find the least common multiple of 6, 9, and 10.
C)
Find the Prime Factorization of 80.
D)
Find the greatest common factor of 20 and 50.
A)
Write
B)
Write 0.00203 as a fraction.
C)
Circle the decimal with larger value.
23
100,000
as a decimal.
0.080990, 0.0810
6.
A)
Round 33.4567456 to the nearest hundred-thousandth
B)
Write the word name of 1.1021
C)
Write four and twelve ten-thousandths in numerical form.
D)
Use the formula P = C + M, where P is retail price and C is cost to the
store to find the markup M of an item with retail price $40.20 and the cost
to the store is $35.80
E)
___
Simplify 121
F)
__
Multiply and simplify 549
H)
Find 7 on your calculator and round to the hundredths.
__
__
Subtract and simplify 25 - 81
I)
Sketch x  -1 on a number line: <- ------------------------------------------ >
G)
7.
Solve each of the following for x.
A) x + 3.16 = 8.45
B) -6.21x = -1.863
C) -9.3 = x - 20
D) -0.001 = x + 0.0092
E) -4x = 8.4
F) 20x = 10.0