The Maths Zone
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themathszone.bsky.social
The Maths Zone
@themathszone.bsky.social
Maths Education projects run by Chris Olley and Val Johnson in London, Ghana and elsewhere ...
🎉 The Jack Petchey Count on Us Final is nearly here!
🧠 Students take on fun, fast-paced maths challenges 🏆
📅 2nd July

#JackPetchey
June 19, 2025 at 11:53 AM
The Count on Us 2025 Heats begin tomorrow at Haberdashers' Borough Academy!
April 22, 2025 at 10:57 AM
Weekly Puzzle 4:

In a triangle, one angle is twice the size of the smallest angle, and the third angle is 20° more than the smallest angle. What are the measures of the three angles?

Bonus: Can you solve this using Algebra?
March 18, 2025 at 12:05 PM
Some student feedback from the recent Count On Us Challenge Practice Events

"It was a very enjoyable and exciting trip which developed my teamwork skills. It was great and was the best competition I participated in for a while. Definitely recommend going."
March 18, 2025 at 11:57 AM
Weekly Puzzle 3:

A Challenging 24 Game style card! Use all four numbers to make 24 using any combination of the four basic arithmetic operations +-÷x.

Hint - you may not be able to keep all the numbers whole whilst solving this card...

#countonus
March 7, 2025 at 12:45 PM
Weekly Puzzle 2 (single dice Pig): You keep rolling until you roll a 1!

-What is the probability before you start your turn that you roll a 1 on the 8th roll?
-What is the average score the player would have lost when they rolled the 1 on their 8th turn?
February 20, 2025 at 10:03 AM
Tips from schools that have high levels of student engagement:
-Googling 24 card to use as exit tasks.
-Using the digital GridLines Software in Year 9 Classes.
February 18, 2025 at 10:24 AM
Weekly Puzzle!

Can you find a solution to this Gridlines Puzzle Card where all of the numbers are prime?
February 13, 2025 at 12:18 PM
Show how this shape can be divided into four pieces which are identical to each other.
January 23, 2025 at 10:46 AM
Sarah says, “There is not enough information to find the perimeter.”

Is she correct? If not what is the perimeter?

Is it possible to find the area?
January 14, 2025 at 10:47 AM
I am locked out of my phone with only 6 attempts. I've used 5! The two digits after each attempt show how many numbers are correct and how many are in the right place (eg. 2,0 means two correct numbers with none in the correct place). What should the final guess be?
January 6, 2025 at 11:50 AM
We've just launched a major revamp of The Maths Zone website at www.themathszone.com. Count on us Challenge schools can download the resources here as well as on the JPF site, using the same password. Check it out.
The Maths Zone
www.themathszone.com
December 19, 2024 at 2:27 PM
This is to get started on BlueSky with The Maths Zone. A big hello to everyone who thinks anyone learning mathematics should enjoy the exerience, because, well maths really is great fun!
December 19, 2024 at 1:58 PM