Search

Zios and Zepts
problem
Favourite

Zios and Zepts

7 to 11
filled star empty star empty star

On the planet Vuv there are two sorts of creatures. The Zios have 3 legs and the Zepts have 7 legs. The great planetary explorer Nico counted 52 legs. How many Zios and how many Zepts were there?

Paint rollers for frieze patterns.
article

Paint rollers for frieze patterns

11 to 16

Proofs that there are only seven frieze patterns involve complicated group theory. The symmetries of a cylinder provide an easier approach.

Pupils' recording or pupils recording
article

Pupils' recording or pupils recording

5 to 14
This article, written for teachers, looks at the different kinds of recordings encountered in Primary Mathematics lessons and the importance of not jumping to conclusions!
Number Daisy
problem
Favourite

Number daisy

11 to 14
filled star empty star empty star

Can you find six numbers to go in the daisy from which you can make all the numbers from 1 to a number bigger than 25?

Top-Heavy Pyramids
problem

Top-heavy pyramids

11 to 14
filled star filled star filled star
Use the numbers in the box below to make the base of a top-heavy pyramid whose top number is 200.
Least of All
problem

Least of all

16 to 18
filled star empty star empty star
A point moves on a line segment. A function depends on the position of the point. Where do you expect the point to be for a minimum of this function to occur.
Cube Drilling
problem

Cube drilling

7 to 11
filled star filled star filled star
Imagine a 4 by 4 by 4 cube. If you and a friend drill holes in some of the small cubes in the ways described, how many will not have holes drilled through them?
Buses
problem
Favourite

Buses

11 to 14
filled star filled star empty star
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?
Sheep Talk
problem

Sheep talk

7 to 11
filled star filled star filled star
In sheep talk the only letters used are B and A. A sequence of words is formed by following certain rules. What do you notice when you count the letters in each word?
Displaying 771 - 780 of 968