myTestBook.com Math Reading Science Practice Test for Grade 1, 2, 3, 4 & 5

<< back This is a SAMPLE test for Grade: 8, Subject: Math  
Test Topic(s): Number and Number Sense, Numerical expressions with Exponents

Question 1:
What is the value of the following expression?

5 2 + 5 3
125
150
100
25
Question 2:
What is the value of the following expression?

10 3 + 10 4
2000
20000
1100
11000
Question 3:
Solve the following expression using proper order of operation.

102 × 102 − 104
10,000
1,000
100
0
Question 4:
Solve the following expression using proper order of operation.

204 ÷ 102 − 103
4000
400
600
1600
Question 5:
Simplify the following expression using proper order of operation.

a6 ÷ a2 × a3
a7
a5
a6
a3
Question 6:
Simplify the following expression using proper order of operation.

(a + b)4 × (a + b)2 × (a + b)1
(a + b)3
(a + b)7
(a + b)4
(a + b)1
Question 7:
What is the value of (a + b + c)1

where a = 2, b = 2, c = 5?
4
7
9
18
Question 8:
What is the value of (a + b + c)0

where a = 2, b = 2, c = 5?
9
18
1
−6
Question 9:
Which of the following is equal to the 7n+2?
7n + 72
7n × 72
7n2
n7 + 27
Question 10:
Which of the following is equal to the 100n-2?
100n + 1002
100n - 1002
100n ÷ 1002
100n ÷ n2

 





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