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Working with time

Mathematics

Working with time

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 6 questions in an interactive multiple choice activity.

Curriculum indicatorค 2.1 ป.4/1

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. Starting at 08:00 and taking 2 hours 30 minutes - what time does it finish?

    • 10:30
    • 11:00
    • 10:00
    Read the explanation

    Eight plus two hours is ten o'clock, plus thirty minutes is half past ten.

  2. How many minutes are in 2 hours?

    • 100
    • 120
    • 180
    Read the explanation

    Sixty times two makes one hundred and twenty minutes.

  3. How many hours is 90 minutes?

    • half an hour
    • 1 hour 10 minutes
    • 1 and a half hours
    Read the explanation

    Sixty minutes is one hour, and the remaining thirty is half an hour.

Before you play

Game teaching guide

What children will practise

Solve time problems (indicator ค 2.1 ป.4/1): finishing times and durations in hours and minutes, converting between hours and minutes, and knowing the days in an ordinary year and in February.

What's in the worksheet

6 multiple-choice questions - Starting at 08:00 and taking 2 hours 30 minutes finishes at 10:30 - 2 hours is 120 minutes; distractor 100 - 90 minutes is an hour and a half - From 14:15 to 15:45 is 1 hour 30 minutes - An ordinary year has 365 days, and February has 28 or 29

How to use it in class

Use in the P4 time unit, 6-7 minutes, solo mode, with a timeline marked in 15-minute steps beside the screen. - For 14:15 to 15:45, hop on the timeline: to 15:15 is one hour, then 30 more minutes - If many choose 100 for 2 hours, stress that time does not count in hundreds - For February, teach the knuckle method for days in each month - Play it linked to the class to record results in the mark book

Common sticking points

- Choosing 100 minutes for 2 hours, treating time like money or metres in hundreds - Choosing 1 hour 45 minutes for 14:15 to 15:45 by reading only the 45, or 2 hours 30 minutes by adding. Use the timeline - Choosing 1 hour 10 minutes for 90 minutes. Take away 60 first, leaving 30

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

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