Prealgebra Practice Test

Prealgebra Midterm – PART I - NO Calculator!

1. Evaluate the following: D) Evaluate X/Y if X=185 and Y=5 A) 65989 (X divided by Y) +37999

B) 6581 x 72 E) Evaluate (x + y)2 – 3z if x=3, y=2, and z=5

C) 831 22

2. Evaluate the following: G) (117)(0)(-9) A) –15 + 40

H) –4(-5) B) -16 - 7

I) -16  (-2) C) -11 – 22

J) – 24 D) -15 - (-30) -8

E) 10 – 22 K) X if X=-20 and Y = 5 Y

F) (X – Y)2 if X = 4 and Y = 5 L) X2Y if X=-1 and Y=-50 3. Evaluate the following:

A) 6(3 – 5) – 12

B) 23 – 6(-1)

C) 4 - 4  2 - 4

4. Solve the following equations for X.

A) x + 3 = -8

B) -5x = -20

C) x – 1/3 = 1/5

X D) ---- = -5 5

E) 4x = -12

1 1 F) X + ---- = ---- 6 2

G) -17 = x - 10 5. Add or Subtract the following: E) 4 5/6 + 5 3/5 = A) 3 + 1 = 5 5

B) 2 + 3 = 5 45 F) 3 1/3 - 1 3/4 =

C) _ 1 + 3 = G) 3 - 1 = 5 4 4 7

D) _ 5 + 3 + 7 = H) 1 ½ - ¾ = 3 5 30

6. Multiply or Divide the Following: E) 3/5 = A) - 5  21 = 12/20 7 40

B) 3  15 = 5 F) (1/2)3 =

C) _ 5  20 = G) 2 - 1 12 30 5 4 _ 1 + 1 5 2

D) 2 1/5  7/10 =

7. Perform these decimal operations: F) -3.1 – 11.4 A) 31.37 + 5.098

B) 3.1 – 1.98 G) 1.81  4.7

C) -15 – ( -3.01)

H) (-1.02)  9

D) 1.3 – 8.05

I) 66.2  0.331

E) 0.02 + 0.9911 8. Divide 2  7 and round to the nearest hundredth.

9. Convert 15/40 into a decimal.

10. Write each of the fractions below as equivalent fractions that have a denominator of 60.

B) 3/5

C) 1/3 Prealgebra Practice Midterm – PART II – Calculator Allowed

1. A) Write 29/5 as a mixed number.

B) Write 4 3/7 as an improper fraction.

C) Write 5/7 as an equivalent fraction with a denominator of 707.

D) Reduce 45,000,000,000 to lowest terms. 55,000,000,000

E) Show that 15/20 is larger in value than 11/15 by using fractions with the same denominators.

2. 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) xy = yx

B) 1x = x

C) (10 + 3) + 5 = 10 + (3 + 5)

D) x + y = y + x

E) 4(5x) = (45) x

F) 5 + 0 = 5

G) 7(1) = 7 3. Evaluate the following if x=4 and y=2.

A) (y – x)3

B) -1xy

C) y2 – x2

D) 10y x

4. A) Find the least common multiple of 10 and 14.

B) Find the least common multiple of 6, 9, and 12.

C) Find the Prime Factorization of 50.

D) Find the greatest common factor of 25 and 10.

5. A) Write 23 as a decimal. 1,000,000

B) Write 0.07023 as a fraction.

C) Circle the decimal with larger value. 0.080990, 0.0810 6. A) Round 33.4567456 to the nearest thousandth

B) Write the word name of 1.0121

C) Write four and twelve hundred-thousandths in decimal form.

D) The formula P = C + M, where P is retail price, C is cost to the store, and M is the markup, relates price, cost, and markup. What is the markup of an item with retail price $40.80 and a cost to the store of $35.60

E) Simplify 169 using your calculator to evaluate.

F) Multiply and simplify 564 .

G) Find 5 on your calculator and round to the hundredths.

H) Subtract and simplify 36 - 81

I) Sketch x  -1 on a number line: <------>

7. Solve each of the following for x.

A) x + 2.16 = 8.45

B) -6.21x = -1.863

C) -1.3 = x - 40

D) -0.0011 = x + 0.092

E) -4x = 8.8

F) 20x = 100.0