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Tens and ones: Blocks to number (Up to 49) · Practice set 2

Count the blocks. Write the number.

  • Ages 5–9
  • Maths
  • Worksheet

Curriculum links

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About this activity

What your child practises

Skills: Tens and ones.

Understanding how numbers are built and how they relate to each other – the base for confident mental maths.

What’s included

  • 6 problems
  • 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 5–9. That’s Kindergarten – Grade 4 in the US, Year 1–5 in England, Nursery 2 – Primary 4 in Nigeria and UKG – Class 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

  1. Count real things first – spoons, socks, toy cars – then move to the pictures, so numbers stay meaningful.
  2. Ask “How do you know?” about one answer. Explaining a method builds understanding faster than speed.
  3. Let your child mark their own work with the answer key, then talk through any mistakes together.

Good to know

Time needed
About 5–10 minutes
You’ll need
A printer (or a tablet to work on screen) and a pencil
Difficulty
Easier (Up to 49) – pitched at ages 5–9
Answer key
Yes – print it with the sheet or on its own

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