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Add & Subtract — Starter Test

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Resource guide

Key stage

Key Stage 1

Subject

Mathematics

Time

~20 min

Access

Paid subscription

Assessment

Included

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About this resource and curriculum

Study guidance and sample questions

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You're going to try 12 maths questions. They're about adding and taking away.

Read each question carefully. Tap the answer you think is right. If you get one wrong, the screen will tell you the right answer and explain it — so you learn from EVERY question, not just the ones you got right.

You can do this on a tablet, a phone or a computer. There's no time limit. Take a deep breath and have a go!

This is the warm-up assessment in the Addition & Subtraction series. It covers what your child should know by the end of Year 1 — the basics of + and − to 20, number bonds to 10, and reading the maths symbols.

It takes about 5 minutes. Sit alongside your child the first time so you can talk through any tricky moments — every wrong answer comes with a plain-English explanation, which is the most valuable part of the test.

If they score 70% or more, they're ready for the Main Test. If they score below 50%, that's a useful signal — go back to the Add & Subtract worksheet and number-bond games in this pack first, then come back to the test in a few days.

A diagnostic warm-up covering the Year 1 addition and subtraction programme of study (DfE NC Mathematics Y1). Question coverage: reading + = − symbols (2 questions), number bonds to 10 (2 questions), single-step ± within 20 (4 questions), zero behaviour (2 questions), and one-step word problems (2 questions).

Use as: a settling-in assessment at the start of an addition/subtraction unit; a quick check after a series of worksheets; a homework task; or differentiated catch-up for pupils returning from absence. Pass mark is 70%. Pupils scoring below 50% typically need to revisit number-bond fluency before progressing to the Main Test.

Common misconceptions to watch for: children answering 0 + 7 = 0 (treating zero as a "value"); subtracting from the smaller number (e.g. answering 6 - 2 = 8 by adding); and confusing the + and = symbols.

The test marks itself instantly. At the end the child sees their score out of 12 and a percentage. A pass-mark pill shows whether they hit the 70% threshold.

The Review section at the bottom of the result screen lists every question — right ones marked ✓, wrong ones marked ✗ with the correct answer and the explanation. Children learn most from going through this together. The score and review are saved automatically — you can revisit them from the dashboard at any time.

How to study with Add & Subtract — Starter Test

This parent guide connects the page examples with a structured study routine. The present resource is labelled Mathematics, Key Stage 1, Year 1, Year 2, Quiz. Use that context, the learning summary and published prompts to agree what successful work should demonstrate.

Prepare a focused session

Read the title and learning focus jointly. Ask the learner to anticipate the understanding, terminology or technique they may need. Scan each sample and recognise command words, amounts, hints, conditions or new terms. Agree a manageable time window, remove diversions and collect appropriate materials such as paper, pencil, ruler, coloured pens, calculator, headphones or a device. Encourage an independent first attempt so the attempt reveals secure understanding and doubt. A reflective pause often supports recall better than an same-session answer.

Make thinking published

Invite the learner to describe the task in their own words. They can underline necessary information, break a extended problem into shorter steps, create a model, organise evidence, compose a sentence or describe a planned method. Ask why their approach fits and whether another method could work. When progress stops, give a graduated hint: repeat the goal, point towards a useful example, limit the choice, then model only the next step. Return ownership straight afterwards. Spoken reasoning exposes misconceptions and practises correct subject language.

Check accuracy and understanding

Compare the attempt with published answer guidance after sustained effort. Inspect more than the final attempt: review the method, explanation, units, evidence, sequence, spelling or presentation where useful. Ask the learner to locate the first point where their reasoning changed course. Complete corrections actively in a different colour or new space, followed by a concise description of the correction. For a correct answer, seek justification and one independent check. This separates secure understanding from guessing while developing accuracy, reflection and careful working habits.

Consolidate and extend

Finish with retrieval from memory. Cover the example and ask for the main idea, process or fact again. Create one small adaptation by altering a value, condition, example, viewpoint or level of support while keeping the learning focus. Invite the learner to write a similar question and supply checking guidance. Record one success and one precise next step, perhaps returning to terminology, repeating a calculation, adding evidence or improving clarity. Recheck that target again in the week because spaced review gives better information than same-session repetition.

The interactive player, downloadable file and complete answer material retain their existing access controls. The guide supports preparation, discussion and review.

Sample questions

Try these questions before opening the interactive quiz. Answers and feedback remain inside the quiz.

What does the + symbol mean?
What does the - symbol mean?
What does the = symbol mean?
5 + 3 = ?
7 + 2 = ?

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