Primary 5 Mathematics Lessons and Practice

Primary 5 brings longer decimal work, fractions with different denominators and the order of operations (BODMAS). A short lesson with one worked example, then quick questions, keeps the rules from piling up.

Primary 5 units

Open any unit to start. The first unit is free.

The units are being updated. Please check back shortly.

Free Primary 5 practice questions

Try them on paper first, then open an answer to check your working.

  1. What is 2.5 + 3.75?

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    Answer: 6.25

    Line up the decimal points: 2.50 + 3.75 = 6.25.

  2. What is 6 + 4 × 3?

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    Answer: 18

    BODMAS: multiply before adding. 4 × 3 = 12, then 6 + 12 = 18.

  3. What is 2/3 + 1/6?

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    Answer: 5/6

    Change 2/3 to 4/6, then 4/6 + 1/6 = 5/6.

  4. What is 0.4 × 0.3?

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    Answer: 0.12

    4 × 3 = 12, and there are two decimal places in total, so 0.12.

  5. What is the highest common factor of 12 and 18?

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    Answer: 6

    Factors of 12: 1, 2, 3, 4, 6, 12. Factors of 18: 1, 2, 3, 6, 9, 18. The biggest shared one is 6.

Simple prices for parents

Start with the first unit free. Then unlock one unit, or keep learning every day.

One unit
₦500

Unlock a single unit: every lesson and practice set in it.

Best for daily practice
One child
₦1,500 /month

Every unit, with streaks and progress. Cancel any time.

Each extra child
₦1,000 /month

Two children cost ₦2,500 a month. Three cost ₦3,500.

Questions parents ask

Is it really free to start?

Yes. The first unit is free and needs no card.

Which classes does it cover?

Primary 3 to 6 on these pages, with more classes in the full Hour of Math library.

Can two children use one account?

Yes. Add each extra child for ₦1,000 a month.

Does it work on a phone?

Yes. Lessons are short and built to work well on a phone.

How it works

One short loop, every day

  1. 1

    Learn

    A short, step-by-step lesson in plain language.

  2. 2

    Practice

    Quick questions with instant feedback.

  3. 3

    Master

    A short check that unlocks the next step.

  4. 4

    Keep the streak

    Your child comes back each day, which is what builds the habit.