Imagine a cube-frame made out of infinitely stretchy wire that could be flattened to make a 2D shape, what would it look like? In this puzzle students are given three such 2D representation of 3D shapes and have to name them.

The front face of four cards are shown, together with some statements about what could be on the reverse side. The challenge is to work out how many cards must be turned over to establish if the statements are true.

Four children make statements about their relative ages but one child is lying. The challenge is to order the children from the youngest to the oldest.

This classic Apollo 15 clip, from Footagevault, demonstrates that the mass of an object does not affect the time it takes to fall when dropped in a vacuum. The clip could be used in key stage three and four lessons on forces.

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A diagram is shown with horses arranged in fields around a rectangle. There are four challenges to move the horses to fulfill given criteria. A worksheet is also included for students to record their answers.

Botanic Gardens Conservation International (BGCI) have produced a series of resources looking at the consequences of climate change. In this activity, students investigate the functions and importance of trees. Activities look at the functions of different parts of trees as well as the overall importance of trees....

Ofsted survey report investigating why many of the most able students from non-selective schools fail to achieve their potential.

A floor plan is shown from a museum. The challenge is to place two security guards so that they will be able to keep watch on the whole museum

This puzzle provides an introduction to simultaneous equations in three variables. Three combinations of coins are shown, together with the total value for each pair. The challenge is to calculate the value of each coin.

With just one fold of a square piece of paper, is it possible to make a triangle and a quadrilateral? Two quadrilaterals? A triangle and a pentagon? A further challenge asks students to explore the combination of shapes that can be made by using two folds of a square.

This puzzle provides a gentle introduction to simultaneous equations. Three pictures are given that show different combinations of three items from a menu, together with the total price for each meal. The challenge is to work out the cost of each item.

This problem looks at fencing chickens using pens. The challenge is to work out how many lengths are needed to create six separate pens for the roosters.

This combination problem builds up from combinations of three socks to six socks. Can students find a pattern and use it to work out how many socks would be needed to ensure a different pair was available each day for a month?

Hold a ruler or speed of light indicator, to test your reaction times by working in pairs with one student holding the ruler at...

A sheet is shown containing six calculations that have been partially obscured by juice spilled on the sheet. The challenge is to work out what the calculations were, and their solutions.