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Sorting decimals and fractions

Mathematics

Sorting decimals and 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 sorting activity.

Curriculum indicatorค 1.1 ป.4/5

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. Sort the numbers into groups.

    Sort into

    • decimal
    • fraction
    • 0.5
    • 1/2
    • 2.75
    • 3/4
    Read the explanation

    A decimal has a point; a fraction has a line.

  2. Sort the numbers into groups.

    Sort into

    • less than 1
    • more than 1
    • 0.3
    • 1.8
    • 2/5
    • 5/2
    Read the explanation

    Compare with one: a decimal with no whole number in front, and a proper fraction, are both less than one.

  3. Sort the sums into groups.

    Sort into

    • divides exactly
    • leaves a remainder
    • 20 ÷ 4
    • 21 ÷ 4
    • 36 ÷ 6
    • 37 ÷ 6
    Read the explanation

    Separate the divisions that come out exactly from those with a remainder.

Before you play

Game teaching guide

What children will practise

Tell decimals from fractions by how they are written (indicator ค 1.1 ป.4/5), compare decimals and fractions with 1, sort exact divisions from those with a remainder, and three-digit from four-digit numbers.

What's in the worksheet

4 sorting questions with 2 boxes each - 0.5 and 2.75 are decimals; 1/2 and 3/4 are fractions - 0.3 and 2/5 are less than 1; 1.8 and 5/2 are more - 20 ÷ 4 and 36 ÷ 6 divide exactly; 21 ÷ 4 and 37 ÷ 6 leave a remainder - 456 and 999 have three digits; 1234 and 5000 have four

How to use it in class

Use as decimals are introduced, 5-6 minutes, team mode. - Q2 includes 5/2, an improper fraction; have teams draw 5 half-circles to see it is more than one whole - After Q1, notice that 0.5 and 1/2 are the same value even though they sit in different boxes - Q3 and Q4 are quick basic review - Play it linked to the class to record results in the mark book

Common sticking points

- Putting 5/2 under less than 1, used to fractions below one. Compare the top and bottom numbers - Hesitating over 0.3 and 2/5 because they are in different forms. Ask what a 0 before the point means - Putting 999 under four digits because it is close to 1000

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

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