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Unicus Olympiad Exams

What is Number Sense?

  • Number sense is understanding how numbers work.
  • It means knowing how to add, subtract, and compare numbers easily.
  • When you have number sense, math feels like a fun game!
Examples:
  • Counting apples:
    • If you have 4 apples and you eat 1, you know you have 3 apples left.
    • This helps you see how numbers change when you add or take away.

  • Using money:
    • If a toy costs $5 and you have $10, you know you can buy 2 toys.
    • This shows how to compare and use numbers in real life!

  • Grouping blocks:
    • If you have 12 blocks, you can group them into 4 groups of 3.
    • This helps understand division and multiplication easily.

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