We have a challenge a day for you throughout the summer break...
Each weekday, from 18 July to 2 September, a new interactive game or puzzle will appear on this page.
After you've had a go at the day's challenge you may be able to compare your approach to the solutions we have published, which are based on students' work.
You can also find Secondary Interactive Summer Challenges 2022.
Phiddlywinks
Tangram browser
Number lines in disguise
Matching numbers
Coded hundred square
First connect three
Same length trains
Robot monsters
Your number is...
Largest even
Tables teaser
Latin lilies
Gathering gems
Light the lights
Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?
Factors and multiples game
A game in which players take it in turns to choose a number. Can you block your opponent?
Ducking and dividing
Your vessel, the Starship Diophantus, has become damaged in deep space. Can you use your knowledge of times tables and some lightning reflexes to survive?
Got it
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.
Sizing them up
Can you put these shapes in order of size? Start with the smallest.
Carroll diagrams
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
Growing garlic
Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?
Sort the street
Sort the houses in my street into different groups. Can you do it in any other ways?
The remainders game
Play this game and see if you can figure out the computer's chosen number.
Seesaw shenanigans
A group of animals has made a seesaw in the woods. How can you make the seesaw balance?
Number balance
Can you hang weights in the right place to make the the number balance balanced?
Matching fractions
Can you find different ways of showing the same fraction? Try this matching game and see.
Four triangles puzzle
Cut four triangles from a square as shown in the picture. How many different shapes can you make by fitting the four triangles back together?
Seeing squares
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.
Poly plug rectangles
The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?
Remainders
I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?
The Number Jumbler
The Number Jumbler can always work out your chosen symbol. Can you work out how?
Treasure hunt
Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?
Fruity totals
In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?