Grade 9 Quizzes, Questions & Answers
Recent Grade 9 Quizzes
What happens when modular arithmetic meets GCD and LCM? This quiz blends all three ideas into simple, practical questions. You’ll compare numbers, track remainders, break down factors, and see how these concepts support...
Questions: 20 | Attempts: 10 | Last updated: Dec 16, 2025
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Sample QuestionCompute: (34 + 19) mod 8
Linear congruences may look basic, but they lead to some interesting number patterns. This quiz shows how these equations work when you solve them using modulo and how the answers fit into neat, repeating cycles. As you move...
Questions: 20 | Attempts: 11 | Last updated: Dec 16, 2025
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Sample QuestionWhat is the last digit of 7^23?
Ever wonder why numbers loop back in such neat, predictable ways? This quiz takes you into the world of remainders, where every division leaves behind a clue. You’ll explore how modulo creates repeating patterns,...
Questions: 20 | Attempts: 10 | Last updated: Dec 16, 2025
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Sample QuestionWhen you divide 45 by 7, what is the remainder?
Turn sun–shadow scenes into clean right-triangle setups. You’ll practice choosing the correct ratio (mostly tan = height/shadow), rearranging to solve for unknown heights or shadow lengths, and checking answers with...
Questions: 20 | Attempts: 16 | Last updated: Dec 11, 2025
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Sample QuestionA 15 m flagpole casts a 20 m shadow. What is the sun’s angle of elevation (nearest degree)?
Build the habit of sketching and labeling right away so you can spot which trig ratio to use. You’ll translate real scenes (cliffs, balconies, drones) into right triangles, match “angle of depression/elevation”...
Questions: 20 | Attempts: 15 | Last updated: Dec 11, 2025
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Sample QuestionFrom the top of a 60 m building, the angle of depression to a car on level ground is 25°. What is the horizontal distance to the car?
Are you ready to get a triangle’s area using only its three side lengths? This quiz walks you through Heron’s idea: first check the triangle inequality, then take half the perimeter (the semiperimeter), and finally...
Questions: 20 | Attempts: 13 | Last updated: Dec 11, 2025
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Sample QuestionWhat is the formula for the semiperimeter of a triangle with sides a, b, and c?
Get ready to put trigonometry into action. In this quiz, you will use sine, cosine, and tangent to find unknown sides in right triangles. Each problem gives you one or more sides and an angle, and you’ll apply the correct...
Questions: 20 | Attempts: 22 | Last updated: Dec 11, 2025
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Sample QuestionIn a right triangle, angle A = 30°. If the hypotenuse is 12, find the side opposite A.
Develop a solid understanding of the trigonometric ratios sine, cosine, and tangent using the SOHCAHTOA method. This quiz focuses on identifying sides relative to an angle, computing missing sides using ratios, and applying the...
Questions: 20 | Attempts: 17 | Last updated: Dec 11, 2025
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Sample QuestionIn a right triangle, the opposite side to angle θ is 9 and the hypotenuse is 15. What is sin θ?
Ready to explore how the arctangent (arctan) function links slopes, ratios, and angles? This quiz focuses on evaluating arctan values, identifying the correct principal range (–π/2 to π/2), and interpreting what each...
Questions: 20 | Attempts: 14 | Last updated: Dec 11, 2025
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Sample QuestionEvaluate arctan(1) in radians.
Get comfortable with arcsin by learning how to interpret, evaluate, and connect inverse sine to the unit circle. In this quiz, you’ll find exact values like π/6, π/4, and π/3, work within the principal range...
Questions: 20 | Attempts: 17 | Last updated: Dec 11, 2025
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Sample QuestionEvaluate arcsin(1/2) in radians.
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