1. COLEGIO SAN PATRICIO
Math Practice for Final Exam
School Year 2009 – 2010
Name _________________________________Teacher____________________________
Date______________________________________List No.__________7th_____________
I. Divide: (REMEMBER TO USE THE RECIPROCAL)
1)60 ÷ 6 = 2) - 2 ÷ 3 = 3)) 81x ÷ 9 =
4 8
4)6x ÷ 2 = 5) 4 ÷ 3 =
3 5 10
II. Evaluate the following algebraic expressions:
6).- ( x – 6)², when x = 12 7).- (y)² + 8, when y = 9 8).- a³, when a = 3
9).- (6n)² , when n = 2 10).- (x – 3)³, when x=8
III. Write the expressions in exponential form:
6.- (3) (3) (3) = _______ 7.- 4x cubed = _______ 8.- (a) (a) = _______
9.- five squared = _______ 10.- Three to the fourth power = _______
IV. FRACTIONS:
11) How much is missing to have 2 pizzas if I have:
a) 1 ____________ b) 2 ____________ c) 5 ____________
3 4 3
12) If 1 of the students already had the presentation today. How many
5
will participate each day in the following 3 days?
13) If Tom already ate ¼ of his delicious Symphony chocolate bar. How much
will each of his four friends get if he wants to share it equally?
V. Choose the correct word to complete the sentences:
Expression Coefficient like terms term Distributive Property Multiplication Property
14) A number and a variable is a _________________________________________.
15) The order in which two numbers are multiplied does not change their
product _____________________________________________________________.
16) The number that is next to the variable is its _____________________________.
17) Two numbers that have the same variable are __________________________.
18) Numbers, symbols and operators (such as + and ×) grouped together
19) To give something to each member of a group is _______________________.

2. VI. Solve the equation:
20) 60x = 30x + 60 21) 25b = 135 + 15 22) -3 + n = 0 23) x = 4 + 5
6
24) 6x + 4 = 2x + 16 25) 3y – 7 = 4²- 11 26) 8x + 4 = 7x + 11 27) 72 + 8 = x + 68
8
28) 197 +n = 429 29) 3m + 5 = 21 30) 2x = 28 31) 6d + 8 = 4d + 9
VII. Problem Solving:
31) You put $1000 into an investment yielding 6% annual interest; you left the money in for two
years. How much interest do you get at the end of those two years?
32) You invested $500 and received $650 after three years. What had been the interest rate?
33) A recipe for trail mix calls for ½ cup of cranberries, ½ cup of cashews, ¾ cup of raisins, ½ cup of
almonds, 2 ½ cups of granola cereal, and ¼ cup of dried pineapples. How many cups of trail mix
will this recipe make?
34) Annie ran 4 times around a ½ mile track. Betsy ran 5.5 times around a ¼ mile track. Liana ran 3
times around a 5/6 mile track. Kia ran 4.5 times around a ¼ mile track. Which girl ran the greatest
distance?
35) What is the distance from the edge of a circle to the center called?
36) Alyson buys a display board for her science fair project. The display board measures 30 inches
by 40 inches. What is the area of the board?

3. 37) What is the perimeter of 5-pointed star when each edge is 6 cm?
VIII. Choose the correct answer.
38) Which formula is correct for finding the circumference of a circle?
a) C= πd
b) C= 2r
c) C= πr2
d) C= πd2
39) Look at the table below:
x y
10 2
16 8
24 16
32 ?
Which expression shows how to find the missing number in the table?
a) x ÷2
b) x – 12
c) x – 6
d) x – 8
40) Solve 18(16 – 2) = ___
a) 288
b) 262
c) 252
d) 240
41) If this pattern continued, how many squares will there be in Figure 4?
a) 20
b) 24
c) 28
d) 30
42) Solve: 20% of ______ = 130
a) 26
b) 126
c) 260
d) 650