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Grade 4 maths: ×, ÷, fractions, decimals

Mathematics

Grade 4 maths: ×, ÷, fractions, decimals

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 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. 36 × 5 = ?

    • 180
    • 190
    • 150
    Read the explanation

    Six times five is thirty - write zero, carry three; three times five is fifteen plus three, which is eighteen.

  2. 128 ÷ 4 = ?

    • 28
    • 32
    • 36
    Read the explanation

    Four times thirty-two makes one hundred and twenty-eight.

  3. 2/5 + 1/5 = ?

    • 3/10
    • 2/10
    • 3/5
    Read the explanation

    The bottoms match, so add the tops: three fifths.

Before you play

Game teaching guide

What children will practise

Mixed P4 review: multiplication and long division (indicator ค 1.1 ป.4/9), adding fractions with equal denominators, rounding to the nearest hundred (ป.4/7), the area of a square, and subtracting decimals.

What's in the worksheet

6 multiple-choice questions - 36 × 5 = 180 and 128 ÷ 4 = 32 - 2/5 + 1/5 = 3/5; distractor 3/10 - 384 rounded to the nearest hundred is 400 - A square with side 12 has area 144 - 3.6 - 1.4 = 2.2

How to use it in class

Use as an end-of-term quick check, 8-10 minutes, solo mode with scrap paper allowed. - If many choose 3/10 for 2/5 + 1/5, draw a strip in 5 parts and shade 2 then 1 - For the square with side 12, the distractor 48 is the perimeter; use it to discuss area versus perimeter - Play it linked to the class to record results in the mark book, then use the per-question view to choose review topics

Common sticking points

- Choosing 3/10 for 2/5 + 1/5 by adding the denominators too. Use fraction strips - Choosing 48 for the square with side 12 by working out the perimeter (12 × 4) instead of the area (12 × 12) - Choosing 380 for 384 by rounding to the nearest ten instead of hundred. Underline "hundred"

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

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