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Mixed numbers

Mathematics

Mixed numbers

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 6 questions in an interactive multiple choice activity.

Curriculum indicatorค 1.1 ป.5/5

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. What is 7/2 as a mixed number?

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

    Seven divided by two is three remainder one, so three and a half.

  2. What is 2 1/4 as an improper fraction?

    • 3/4
    • 9/4
    • 7/4
    Read the explanation

    Two times four is eight, plus one is nine - so nine quarters.

  3. 1 1/2 + 1/2 = ?

    • 1 1/2
    • 2 1/2
    • 2
    Read the explanation

    One half plus one half is one, and with the whole one that makes two.

Before you play

Game teaching guide

What children will practise

Convert between improper fractions and mixed numbers, say what a mixed number is, and do simple mixed-number addition and subtraction as in ค 1.1 ป.5/3.

What's in the worksheet

6 questions, multiple choice with 3 options - 7/2 as a mixed number (3 1/2) - 2 1/4 as an improper fraction (9/4) - 1 1/2 + 1/2 (2) - 3 - 1 1/2 (1 1/2) - What a mixed number is (a whole number and a fraction)

How to use it in class

Use after teaching conversion between improper fractions and mixed numbers; about 5 minutes. - Either start with Q6 on meaning, or play in order and discuss Q6 at the end - Use half-pizza drawings on the board for Q1 and Q3 - If many miss Q2, teach (whole × denominator) + numerator and try 2 1/4 together - Play it linked to the class to record results in the mark book.

Common sticking points

- Q2: children multiply 2 × 4 and forget to add 1, or choose 7/4; use (2 × 4) + 1 = 9 - Q5: 3 - 1 1/2 may come out as 2 1/2, subtracting only the whole number - Q4: 5/4 may become 1 1/5 by using the wrong denominator

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

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