Ages 6–9
KidsAges 6–9MathsWorksheet
Missing numbers (On level) · Practice set 3
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Find the missing number in each one.
Curriculum links
- Common Core 1.OA.D.8: Find the unknown whole number in an addition or subtraction equation, such as 8 + ? = 11.
- Common Core 2.OA.B.2: Add and subtract fluently within 20 using mental strategies, and know all sums of two one-digit numbers from memory.
- England NC Y2.MA.ASN.5: Use the inverse relationship between addition and subtraction to check calculations and solve missing number problems.
- Programmes FR C2.MA.NC.3: Mental calculation: know and use addition and subtraction facts.
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About this activity
What your child practises
Skills: Missing numbers within 20.
Quick, accurate calculation and recall of number facts, building the fluency harder maths depends on.
What’s included
- 20 questions
- An answer key you can print with the sheet or on its own
- An on-screen version with instant marking and stars
Age and school year
Made for ages 6–9. That’s Grade 1–4 in the US, Year 2–5 in England, Primary 1–4 in Nigeria and Class 1–4 in India.
How to use it
- Print it at home or school – it fits a standard A4 or US Letter page.
- Print the answer key too, so marking takes seconds.
- Play it on screen: answers are marked instantly and children earn stars.
- Write on it on a tablet or touchscreen with a finger or stylus – no printer needed.
Tips for parents and teachers
- If a question goes wrong, ask your child to show it with fingers, objects or a quick sketch, then try again.
- Time one try, then beat it a few days later – children love racing their own best rather than others.
- Use the on-screen version for instant feedback when your child is working alone.
Good to know
- Time needed
- About 10–15 minutes
- You’ll need
- A printer (or a tablet to work on screen) and a pencil
- Difficulty
- On level – pitched at ages 6–9
- Answer key
- Yes – print it with the sheet or on its own