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Class 1 Maths addition and subtraction test

Twenty questions cover addition and subtraction within 20 exclusively. This chapter defines how confident a six-year-old becomes about maths for the whole year. The difficulty rarely lies in the calculation itself. The key is whether counting on and counting back have turned into automatic skills. Each question sets out the method in play. The final screen indicates which section of the chapter needs attention.

  • 20 questions, marked instantly
  • Every answer comes with the reasoning
  • Ends by naming what to revise
  • Nothing stored, no account, no email

What this test covers

  • Counting on to add
  • Adding two small numbers
  • Adding to make ten
  • Counting back to subtract
  • Subtracting a small number
  • Addition word problems
  • Subtraction word problems
Ready when you are

20 questions, marked as you go

Drawn fresh from a bank of 20, so another go is mostly different questions. Every one explains its method after you answer, and the last screen names the chapters to revise.

Questions

20

Minutes

~15

Marking

Instant

Sign-up

None

How many questions?
How should it run?

How to read the result

Every question in this test

The whole paper, grouped by chapter, so you can see the level before anyone sits it. Three are shown below and the rest open up.

20 questions · 7 chapters

8 shown here - the rest are in the test and the PDF

  • Counting on to add2
  • Adding two small numbers3
  • Adding to make ten3
  • Counting back to subtract3
  • Subtracting a small number3
  • Addition word problems3
  • Subtraction word problems3
  1. Question 1. What is 4 + 3?

    • 6
    • 5
    • 7
    • 8
  2. Question 2. What is 9 + 2?

    • 12
    • 10
    • 11
    • 9
  3. Question 3. What is 3 + 3?

    • 7
    • 5
    • 9
    • 6
Show 5 more
  1. Question 4. What is 5 + 4?

    • 9
    • 8
    • 10
    • 7
  2. Question 5. What is 7 + 3?

    • 11
    • 8
    • 10
    • 9
  3. Question 6. 6 + ___ = 10. What number is missing?

    • 5
    • 4
    • 3
    • 6
  4. Question 7. What is 8 + 2?

    • 12
    • 11
    • 9
    • 10
  5. Question 8. 9 + ___ = 10. What number is missing?

    • 9
    • 0
    • 2
    • 1

Want all 20 on paper?

The PDF has every question, with the answer key on its own last page so you can hold it back and mark the work yourself.

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Class 1 Maths test - common questions

Why does my Class 1 child add well but struggle to subtract?

Counting forward represents the initial counting competency young learners develop and comes naturally - it merely extends what they do routinely when reciting numbers in sequence. Counting backward functions contrary to this established pattern and requires dedicated instruction rather than automatic transfer once addition becomes proficient.

Should my child use fingers for these sums?

Fingers at this stage represent a completely standard learning tool, not a problem to avoid. Once children have encountered the basic number facts enough times - such as 5 + 4 or 10 - 3 - to commit them to memory rather than calculate them afresh, they naturally outgrow finger-counting on their own.

Is this Class 1 maths online test free?

Yes, entirely, with no registration required. No email address, no account creation, no login credentials needed. The test operates within your browser and stores no data—the result appears on the page and is cleared when you close the tab, which aligns with our privacy terms rather than requiring trust.

My child cannot read well yet - will that stop them?

That should be avoided. Every question remains brief and features objects six-year-olds already know - apples, balls, birds - instead of lengthy passages. Reading the questions aloud together on the first attempt is perfectly acceptable; the goal is assessing number sense rather than reading fluency.

Can my child take it more than once?

They can retake it as many times as they wish. Questions come from a pool with both the sequence of questions and the arrangement of answers randomized each time, so a child cannot succeed on a second attempt simply by remembering which position held the right answer.

How is this different from your Class 1 maths worksheets?

Worksheets provide targeted practice on a single topic in depth, completed on paper with your manual marking. The tests here score automatically. Their roles differ: a test identifies where understanding breaks down, and a worksheet addresses that gap. Many families find that a brief test yields more useful information than an hour practising a topic that was not actually the problem.

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