Mathematics Challenge for Grade 9
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9th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify whether 3/4 is a rational number.
3/4 is a whole number.
3/4 is an irrational number.
Yes, 3/4 is a rational number.
3/4 cannot be expressed as a fraction.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a rational number: √2, 0.75, π?
1.5
0.75
-3
√3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apply the exponent rule: Simplify (2^3) * (2^2).
16
24
32
10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of 5^0?
0
1
5
10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simplify the expression: (x^2)^3.
x^6
x^9
x^3
x^5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate 20% of 150.
35
40
30
25
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a shirt costs $40 and is on sale for $30, what is the percentage discount?
15%
30%
40%
25%
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