Resources by 1001 Math Problems
Displaying 61 - 70 of 84
The dog problem
This problem explores loci. A dog stands between a fire hydrant and a tree, twice as far from the hydrant as the tree. He runs in a way so that he is always twice as far from the hydrant. What is the shape of the dog's path?
The falling origami papers problem
Eight pieces of origami paper are shown after they have fallen on the floor. The challenge is to establish the order in which the papers fell on the floor.
The fish problem
In this challenge students have to establish the minimum number of fish tanks needed for six fish to live in harmony, as some fish cannot be placed in the same tanks as others safely.
The five sibling problem
In this puzzle four pieces of information are given about five children in a family. The challenge is to establish the age order of the five siblings.
The flattened polyhedra problem
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 four cards problem
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.
The four children problem
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.
The horse puzzle
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.
The museum problem
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
The mystery coin problem
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.