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Ordering decimals and fractions

Mathematics

Ordering decimals and fractions

An AR classroom game for Grade 5. 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.5/3

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 decimals in order from smallest to largest.

    • 0.09
    • 0.5
    • 0.75
    • 0.9
    Read the explanation

    Compare the first decimal place first, then the next.

  2. Put the fractions in order from smallest to largest.

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

    Put them all over twelfths, then compare the tops.

  3. Put them in order from smallest to largest.

    • 0.2
    • 0.5
    • 1/4
    • 3/4
    Read the explanation

    Turn them all into decimals first, then compare.

Before you play

Game teaching guide

What children will practise

Compare and order decimals, fractions and a mix of both, and put the steps of comparing fractions by finding a common denominator in order.

What's in the worksheet

4 ordering rounds of 4 cards - Decimals smallest first: 0.09, 0.5, 0.75, 0.9 - Fractions smallest first: 1/4, 1/3, 1/2, 3/4 - Mixed: 0.2, 1/4, 0.5, 3/4 - Steps for comparing fractions: find a common denominator, convert every fraction, compare the tops, put them in order

How to use it in class

Use after teaching comparison of fractions and decimals; about 4-5 minutes. - Play in teams and let them draw a 0 to 1 number line and place the cards on it first - If round 1 goes badly, pad every number to two places: 0.09, 0.50, 0.75, 0.90 - For round 2, use fraction circles to show the bigger the bottom, the smaller the piece - Play it linked to the class to record results in the mark book.

Common sticking points

- Round 1: 0.09 and 0.9 get swapped, or 0.75 goes after 0.9 because 75 is more than 9 - Round 2: 1/4 placed after 1/3 because 4 is bigger than 3 - Round 3: 0.2 and 1/4 are close; children must convert 1/4 to 0.25 to see 0.2 is smaller

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

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