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Ordering and simplifying fractions

Mathematics

Ordering and simplifying fractions

An AR classroom game for Grade 4. Learners can aim with their hands at the camera or play by tapping the screen.

This set has 4 rounds in an interactive ordering activity.

Curriculum indicatorค 1.1 ป.4/4

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. Put the fractions in order from smallest to largest.

    • 1/2
    • 1/3
    • 1/4
    • 1/6
    Read the explanation

    Put both over twelfths and compare.

  2. Put the doubling sequence in order.

    • 12
    • 24
    • 3
    • 6
    Read the explanation

    Start at three and double each time.

  3. Put the numbers in order from largest to smallest.

    • 6890
    • 7980
    • 8790
    • 9870
    Read the explanation

    Compare the thousands first; if they match, work through hundreds, tens and ones in turn.

Before you play

Game teaching guide

What children will practise

Order unit fractions from smallest to largest (indicator ค 1.1 ป.4/4), order a doubling pattern, order four-digit numbers made from the same digits, and order the steps for simplifying a fraction.

What's in the worksheet

4 ordering questions - 1/6, 1/4, 1/3, 1/2 smallest to largest - 3, 6, 12, 24 doubling each time - 9870, 8790, 7980, 6890 largest to smallest - List factors of the top, list factors of the bottom, find the highest common factor, divide both by it

How to use it in class

Use after teaching lowest terms, about 6 minutes, team mode. - For 1/6 to 1/2, lay fraction strips side by side: the bigger the bottom number, the smaller the piece - After the steps question, teams use the steps to simplify 8/12 on paper - For the four-digit numbers, notice how 9, 8 and 7 swap between thousands and hundreds - Play it linked to the class to record results in the mark book

Common sticking points

- Ordering 1/2, 1/3, 1/4, 1/6 as smallest first, thinking a small bottom number means a small fraction. Use fraction strips or the pizza story - Swapping 8790 and 7980, which use the same digits. Compare the thousands first - Swapping the first two steps (factors of the top or bottom first), which can be done in either order, but the game accepts only one; if a pupil swaps them and can explain, count the understanding as sound

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

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