The Two Dice Sum Trick
Ready to dazzle your students with a maths trick? This dice sum trick will have them scratching their heads in wonder!
It's perfect for primary school maths classes. Let's dive into this magical world of numbers!
Setting the Stage
1
Gather Materials
You'll need two standard six-sided dice. Colourful ones add extra pizzazz!
2
Set Expectations
Tell your students you're about to perform a mind-boggling maths trick.
3
Create Excitement
Build suspense by asking if they're ready for some maths magic.
The Magical Reveal
1
Roll the Dice
Ask a student to roll both dice. Everyone should see the top faces. (e.g. 4 and 5)
2
Add the Top Numbers
Have the class add the numbers on the top faces together. (9)
3
Magical Calculation
Announce that you'll predict the sum of the hidden bottom faces.
4
The Big Reveal
Dramatically reveal that the bottom sum is (5).
The Secret Behind the Magic
Opposite Faces
On a standard die, opposite faces always add up to 7.
Total Sum
With two dice, the total of all faces is always 14.
Simple Subtraction
Subtracting the top sum from 14 reveals the hidden bottom sum. (14-9 in this case)
Maths in Action
This trick demonstrates how understanding patterns can lead to predictions.
Extending the Learning
Predict Individual Numbers
Challenge students to guess the individual hidden numbers, not just their sum.
Create Variations
Encourage students to invent their own dice tricks using this principle.
Wrapping Up the Magic
Spark Curiosity
This trick ignites interest in maths patterns and relationships.
Fun Learning
Maths becomes exciting when presented as a magical discovery.
Critical Thinking
Encourage students to question and understand the 'why' behind the magic.