Primary Interactive Summer Challenges 2022

Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?

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.

Can you put these shapes in order of size? Start with the smallest.

Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?

How will you complete these interactive Venn diagrams?

Sort the houses in my street into different groups. Can you do it in any other ways?

A group of animals has made a seesaw in the woods. How can you make the seesaw balance?

Can you hang weights in the right place to make the the number balance balanced?

Can you find different ways of showing the same fraction? Try this matching game and see.

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?

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.

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?

Can you select the missing digit(s) to find the largest multiple?

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 can always work out your chosen symbol. Can you work out how?

Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?

In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?