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Odd one out: math practice, grade 1

Practise “Odd one out” online for free. Five right answers in a row make the tasks harder, two mistakes in a row make them easier. Right answers earn coins for games.

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Example problems

These are only examples: the practice makes new tasks every time.

  1. Which is the odd one out?

    Answer

    🌹

  2. Which number is the odd one out?

    Answer

    9

  3. Which sum is the odd one out? Work out each one.

    Answer

    3 + 3

  4. Which sum is the odd one out? Work out each one.

    Answer

    0 + 9

  5. Which number is the odd one out?

    Answer

    20

  6. Which sum is the odd one out? Work out each one.

    Answer

    10 + 2

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