Maths Warm-Up: Two Truths and a Lie ⭐️ The Sydney Teacher

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Maths Warm-Up: Two Truths and a Lie

Who says ice-breakers are just for the first day of school?

This week's Monday Morning Maths Club activity puts a mathematical twist on the classic game Two Truths and a Lie, making it a fun way to activate prior knowledge before starting a new topic!

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Two Truths and a Lie

If your students enjoy a challenge, they'll love this one. This free and no-prep maths warm-up is a simple way to get students talking, reasoning, and sharing what they already know.

How It Works

Choose a maths topic and ask students to write two true statements and one false statement about it.

Once they've finished, students can swap with a partner or work as a class to figure out which statement is the lie. Encourage them to explain their thinking and justify their answers.

I love this activity because it can be used with any topic! Take for example…

Shape: write 2 truths and a lie about a rectangle
Measurement: write 2 truths and a lie about converting between units of length
Probability: write 2 truths and a lie about conducting chance experiments

$Why It's so Good$

• Activates prior knowledge before a new unit.

• Quickly uncovers misconceptions.

• Encourages mathematical reasoning and discussion.

• Works with almost any maths topic.

• Easy to adapt for different year levels and ability levels.

This is one of those warm-ups that's just as much fun for the teacher as it is for the students. Sit back, listen to the discussions, and see what your class already knows!

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