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Powers, probability and square roots

Mathematics

Powers, probability and square roots

An AR classroom game for Grade 6. Learners can aim with their hands at the camera or play by tapping the screen.

This set has 4 rounds in an interactive matching activity.

Curriculum indicatorค 1.1 ป.6/9

PlayHost a classroom

A look before you play

Sample questions

A few real prompts from the game to help you choose an activity for your class.

  1. Match each power to its value.

    • 2^2
    • 2^3
    • 3^2
    • 3^3
    Read the explanation

    Multiply the base by itself as many times as the exponent says.

  2. Match each event to its probability.

    • tossing heads
    • rolling a 1
    • rolling less than 3
    • rolling less than 5
    Read the explanation

    Count the outcomes you want and divide by all the outcomes.

  3. Match each number to its square root.

    • 49
    • 100
    • 121
    • 144
    Read the explanation

    A square root is the number that times itself gives that number.

Before you play

Game teaching guide

What children will practise

Evaluate powers of 2 and 3, match dice and coin events to their probabilities, find square roots from 49 to 144, and match units to quantities.

What's in the worksheet

4 matching rounds of 4 pairs each - Powers: 2^3 with 8, 3^2 with 9, 3^3 with 27 - Probability: rolling a 1 with 1/6, less than 3 with 1/3, less than 5 with 2/3 - Square roots: 121 with 11, 144 with 12 - Unit to quantity: degree with angle size, km/h with speed

How to use it in class

Use as end-of-year enrichment for ready learners; about 5 minutes. - Play in teams, each with a real die for counting faces in round 2 - Explain the ^ symbol before round 1, since Thai textbooks write exponents as superscripts - In round 2, count the faces below 5 (1, 2, 3, 4), write 4/6 and simplify to 2/3 - Play it linked to the class to record results in the mark book.

Common sticking points

- Round 1: 2^3 and 3^2 get swapped because they use the same digits - Round 2: 'less than 3' may be counted including 3, then paired with the coin's 1/2 - Round 2: 'less than 5' gives 4/6, which cannot be found until simplified to 2/3

Play together first, then build on it with a worksheet for the same level.

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