TopicGeneral Maths
Number · SS1
Modular arithmetic
Arithmetic with remainders, the “clock arithmetic” behind days of the week and repeating patterns.
- Before this
- Number foundations & fractions
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Answer modular arithmetic questions one at a time. You'll know straight away whether you're right, with hints and the working step by step.
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Past questions (10)
From 1994–2024: 7 WAEC, 2 NECO, 1 JAMB. Theory questions first, then objective, newest first.
Theory (4)
- WAEC 2019 · Paper 2 · Q1Draw a table for multiplication in modulo 8 on the set .
- WAEC 2018 · Paper 2 · Q11(i) Copy and complete the addition and multiplication tables in modulo 5 on the set . (ii) Use the tables to: …
- WAEC 2016 · Paper 2 · Q13Find the equation of a straight line which passes through the point and is parallel to the line .
- WAEC 2014 · Paper 2 · Q8Copy and complete the table for multiplication modulo 11 on the set .
Objective (6)
- NECO 2024 · Paper 1 · Q12Evaluate in modulo 5.
- NECO 2023 · Paper 1 · Q6Find if .
- WAEC 2022 · Paper 1 · Q5Evaluate .
- WAEC 2020 · Paper 1 · Q4Find the least value of which satisfies the equation .
- WAEC 2019 · Paper 1 · Q5If , find the least value of with .
- JAMB 1994 · UME · Q23The table shows multiplication modulo 10 on the set . Find the inverse of 2.