2 out of 3
Three children are going to buy some plants for their birthdays. They will plant them within circular paths. How could they do this?
2 out of 3
A bus route has a total duration of 40 minutes. Every 10 minutes, two buses set out, one from each end. How many buses will one bus meet on its way from one end to the other end?
1 out of 3
A geographical survey: answer the tiny questionnaire and then analyse all the collected responses...
2 out of 3
Use the interactivity to find all the different right-angled triangles you can make by just moving one corner of the starting triangle.
2 out of 3
What number patterns can you see in the different arrangements of these caterpillars?
1 out of 3
Abundant numbers are less than the sum of their factors (excluding themselves). Can you find some?
1 out of 3
What happens when you add the digits of a number then multiply the result by 2?
1 out of 3
After training hard, these two children have improved their results. Can you work out the length or height of their first jumps?
2 out of 3
Which numbers make these lights come on? Do any numbers light up all the lights?
