Grade 9 Quizzes, Questions & Answers
Recent Grade 9 Quizzes
Modular addition follows some neat rules—just like regular arithmetic, it’s commutative and associative, but with remainders built in. In this quiz, you’ll explore how these properties work, test shortcuts for...
Questions: 10 | Attempts: 10 | Last updated: Dec 9, 2025
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Sample QuestionWhich property is true for modular addition?
Congruence isn’t just a new way of writing remainders—it comes with powerful properties! In this quiz, you’ll test how congruence works with addition, multiplication, and equivalence rules, and discover why it...
Questions: 10 | Attempts: 17 | Last updated: Dec 9, 2025
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Sample QuestionIf a ≡ b (mod n), then which is always true?
What does it mean when two numbers are “congruent” to each other? In this quiz, you’ll explore the idea of congruence, practice writing and checking statements like a ≡ b (mod n), and see how simple it is...
Questions: 10 | Attempts: 11 | Last updated: Dec 9, 2025
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Sample QuestionWhich statement is true?
Modular arithmetic isn’t just about finding leftovers — it follows clever rules that make problem solving easier. In this quiz, you’ll learn how addition, multiplication, and congruences behave under modulo and...
Questions: 10 | Attempts: 10 | Last updated: Dec 9, 2025
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Sample QuestionWhich of the following is true?
From solving congruences to cryptography, modular inverses are powerful tools! In this quiz, you’ll apply inverses to solve modular equations and connect them to real-world uses like secure communication. Try this quiz to...
Questions: 10 | Attempts: 10 | Last updated: Dec 9, 2025
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Sample QuestionSolve 3x ≡ 1 (mod 7).
In this quiz, you’ll explore what it means for a number to have a modular inverse and when an inverse exists. You’ll test simple cases, practice checking whether numbers are invertible, and see how multiplication...
Questions: 10 | Attempts: 11 | Last updated: Dec 9, 2025
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Sample QuestionWhich number is the inverse of 3 mod 7?
Numbers in modular arithmetic follow special patterns! In this quiz, you’ll explore the rules and shortcuts of modular multiplication, including how congruences interact and why the “mod” step makes math...
Questions: 10 | Attempts: 11 | Last updated: Dec 9, 2025
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Sample QuestionIf a ≡ 2 (mod 5), what is a × 3 (mod 5)?
Ever wondered how to quickly find the greatest common divisor (GCD) of two numbers? The Euclidean Algorithm is the oldest (and still one of the fastest!) ways to do it. In this quiz, you’ll practice step-by-step division,...
Questions: 12 | Attempts: 11 | Last updated: Dec 9, 2025
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Sample QuestionFind GCD(48, 18) using the Euclidean Algorithm.
Think you can spot the graph of y = arcsin(x)? In this quiz, you’ll explore how the inverse sine function behaves — from its increasing pattern to its domain, range, and symmetry. You’ll practice identifying...
Questions: 20 | Attempts: 10 | Last updated: Dec 10, 2025
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Sample QuestionWhich pair gives the domain and range of y = arcsin(x)?
Can you spot the exact equation that solves each triangle? Each problem gives you an angle and sides; your job is to choose the correct trig setup (sin, cos, or tan) before any calculation happens. Try this quiz to build...
Questions: 20 | Attempts: 13 | Last updated: Jan 19, 2026
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Sample QuestionA right triangle has angle A = 30°, adjacent side = x, hypotenuse = 12. Which equation solves for x?
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