This is the practice for the math accumulative exam. Solve it in your notebook.

1. Name: ____________________________________________
Grade 7th ______
Date: __________________
COLEGIO LA ARBOLEDA Practice for the Third Period Accumulative Exam
MATHEMATICS DEPARTMENT Teacher Raúl Hernández
8) 30
Write the opposite of each integer:
1) 6 Compare. Write < or >: (1 point each)
2) -8
3) 7
4) +6 9) -500 __________ 0
-
10) 0 __________ 25
Write a situation from real life that could be
11) -100 -
__________ 9
expressed by the following Integers:
5) -8 12) -20 __________ 20
6) 5,000
7) -1,000,000 13) -9 -
__________ 10
Write the integers in order from least to greatest:
14) 6, 1, -7, 0, +1, -5
15) +3, -3, +2, -2, 0
16) -1, -9, 2, -3, +5, +3
Use the Number Line to add the following integers:
17) -3 + 6 = 19) -2 + (-2) =
18) 1 + (-5) =
Solve the following operations. Show all your work. Even the simplest operation must be written
20) -500 + 300 = 21) -500 + -300 =
22) -500 – (-300) = 23) +500 – (-300) =
25) 40 x 30 =
24) -500 – 300 =
26) -40 x -50 = 27) 50 x 80 =
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28) +50 x -84 = 29) 1,800 ÷ (-90) =

2. 30) -1,200 ÷ (-30) =
Complete the following table (2 points each):
A number is
If
divisible by
2
31)
3
32)
5
33)
10
34)
Draw a factor tree for each number. Write the prime factorization as a product. Use exponents to
show repeated primes (2 points each):
35) 240 36) 6800
Find the Greatest Common Factor (GCF) of each set of numbers (2 points each).
37) 56, 50 and 120 38) 48, 80 and 112
Change the following improper fractions in mixed numbers. Express your answer in simplest
form. SHOW ALL YOUR WORK (2 points each):
41)
39)
40)
Change the following mixed numbers in fractions. Express your answer in simplest form SHOW
ALL YOUR WORK (2 points each):
42) 45)
43)
44)
Find the LEAST COMMON MULTIPLE of the following numbers. SHOW ALL YOUR WORK
(2 points each):
46) 56, 50 and 120 47) 48, 80 and 112
48) Study all your notes.
49) Study all the quizzes from this period.
50) Practice Solving Word Problems (Read, Plan, Solve and Check)
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