Modular Arithmetic (AQA A-Level Further Maths): Quizzes

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Modular Arithmetic
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10 questions from this quiz

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What happens to numbers in modular arithmetic when they reach the modulus value?

They wrap around to zero

What does the symbol ≡\equiv mean in modular arithmetic?

is congruent to

What is 15(mod5)15 \pmod{5}?

00

Calculate 3+4(mod5)3 + 4 \pmod{5}

22

Given 53≡3(mod10)53 \equiv 3 \pmod{10} and 14≡4(mod10)14 \equiv 4 \pmod{10}, what is 53+14(mod10)53 + 14 \pmod{10}?

77

Calculate 4×4(mod5)4 \times 4 \pmod{5}

11

If 152≡2(mod10)152 \equiv 2 \pmod{10}, what is 1526(mod10)152^6 \pmod{10}?

44

What does the notation +n+_n represent?

addition modulo nn

What is the identity element for addition modulo 6?

00

In addition mod 6, what is the inverse of 2?

44

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