Other tags that relate to It's a Tie
Triangles. Theoretical probability. Experimental probability. Working systematically. Probability. Games. Cubes & cuboids. Visualising. Investigations. Practical Activity.There are 344 results
Broad Topics > Thinking Mathematically > Working systematically
Putting Two and Two Together
Age 7 to 11
Challenge Level
In how many ways can you fit two of these yellow triangles together? Can you predict the number of ways two blue triangles can be fitted together?
Winning the Lottery
Age 7 to 11
Challenge Level
Find out about the lottery that is played in a far-away land. What is the chance of winning?
Roll These Dice
Age 7 to 11
Challenge Level
Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?
Map Folding
Age 7 to 11
Challenge Level
Take a rectangle of paper and fold it in half, and half again, to make four smaller rectangles. How many different ways can you fold it up?
Sociable Cards
Age 11 to 14
Challenge Level
Move your counters through this snake of cards and see how far you can go. Are you surprised by where you end up?
More Transformations on a Pegboard
Age 7 to 11
Challenge Level
Use the interactivity to find all the different right-angled triangles you can make by just moving one corner of the starting triangle.
Cover the Tray
Age 7 to 11
Challenge Level
These practical challenges are all about making a 'tray' and covering it with paper.
Egyptian Rope
Age 7 to 11
Challenge Level
The ancient Egyptians were said to make right-angled triangles using a rope with twelve equal sections divided by knots. What other triangles could you make if you had a rope like this?
Multilink Cubes
Age 7 to 11
Challenge Level
If you had 36 cubes, what different cuboids could you make?
Sticks and Triangles
Age 7 to 11
Challenge Level
Using different numbers of sticks, how many different triangles are you able to make? Can you make any rules about the numbers of sticks that make the most triangles?
Making Cuboids
Age 7 to 11
Challenge Level
Let's say you can only use two different lengths - 2 units and 4 units. Using just these 2 lengths as the edges how many different cuboids can you make?
Cuboid-in-a-box
Age 7 to 11
Challenge Level
What is the smallest cuboid that you can put in this box so that you cannot fit another that's the same into it?
Cereal Packets
Age 7 to 11
Challenge Level
How can you put five cereal packets together to make different shapes if you must put them face-to-face?
Three Sets of Cubes, Two Surfaces
Age 7 to 11
Challenge Level
How many models can you find which obey these rules?
Triangles to Tetrahedra
Age 11 to 14
Challenge Level
Imagine you have an unlimited number of four types of triangle. How many different tetrahedra can you make?
Peg and Pin Boards
Age 5 to 11
This article for teachers suggests activities based on pegboards, from pattern generation to finding all possible triangles, for example.
Shunting Puzzle
Age 7 to 11
Challenge Level
Can you shunt the trucks so that the Cattle truck and the Sheep truck change places and the Engine is back on the main line?
Single Track
Age 7 to 11
Challenge Level
What is the best way to shunt these carriages so that each train can continue its journey?
Jigsaw Pieces
Age 7 to 11
Challenge Level
How will you go about finding all the jigsaw pieces that have one peg and one hole?
Painting Possibilities
Age 7 to 11
Challenge Level
This task, written for the National Young Mathematicians' Award 2016, involves open-topped boxes made with interlocking cubes. Explore the number of units of paint that are needed to cover the boxes. . . .
Knight's Swap
Age 7 to 11
Challenge Level
Swap the stars with the moons, using only knights' moves (as on a chess board). What is the smallest number of moves possible?
Waiting for Blast Off
Age 7 to 11
Challenge Level
10 space travellers are waiting to board their spaceships. There are two rows of seats in the waiting room. Using the rules, where are they all sitting? Can you find all the possible ways?
The Third Dimension
Age 5 to 11
Challenge Level
Here are four cubes joined together. How many other arrangements of four cubes can you find? Can you draw them on dotty paper?
Tri-five
Age 7 to 11
Challenge Level
Find all the different shapes that can be made by joining five equilateral triangles edge to edge.
Display Boards
Age 7 to 11
Challenge Level
Design an arrangement of display boards in the school hall which fits the requirements of different people.
Tetrahedra Tester
Age 11 to 14
Challenge Level
An irregular tetrahedron is composed of four different triangles. Can such a tetrahedron be constructed where the side lengths are 4, 5, 6, 7, 8 and 9 units of length?
Nine-pin Triangles
Age 7 to 11
Challenge Level
How many different triangles can you make on a circular pegboard that has nine pegs?
Brush Loads
Age 7 to 11
Challenge Level
How can you arrange the 5 cubes so that you need the smallest number of Brush Loads of paint to cover them? Try with other numbers of cubes as well.
Shaping Up
Age 7 to 11
Challenge Level
Are all the possible combinations of two shapes included in this set of 27 cards? How do you know?
Two by One
Age 7 to 11
Challenge Level
An activity making various patterns with 2 x 1 rectangular tiles.
Open Boxes
Age 7 to 11
Challenge Level
Can you work out how many cubes were used to make this open box? What size of open box could you make if you had 112 cubes?
Uncanny Triangles
Age 7 to 11
Challenge Level
Can you help the children find the two triangles which have the lengths of two sides numerically equal to their areas?
Counters
Age 7 to 11
Challenge Level
Hover your mouse over the counters to see which ones will be removed. Click to remove them. The winner is the last one to remove a counter. How you can make sure you win?
Cuboids
Age 11 to 14
Challenge Level
Can you find a cuboid that has a surface area of exactly 100 square units. Is there more than one? Can you find them all?
Family Tree
Age 7 to 11
Challenge Level
Use the clues to find out who's who in the family, to fill in the family tree and to find out which of the family members are mathematicians and which are not.
One to Fifteen
Age 7 to 11
Challenge Level
Can you put the numbers from 1 to 15 on the circles so that no consecutive numbers lie anywhere along a continuous straight line?
Quadrilaterals
Age 7 to 11
Challenge Level
How many DIFFERENT quadrilaterals can be made by joining the dots on the 8-point circle?
Stairs
Age 5 to 11
Challenge Level
This challenge is to design different step arrangements, which must go along a distance of 6 on the steps and must end up at 6 high.
Hexpentas
Age 5 to 11
Challenge Level
How many different ways can you find of fitting five hexagons together? How will you know you have found all the ways?
Chocs, Mints, Jellies
Age 7 to 11
Challenge Level
In a bowl there are 4 Chocolates, 3 Jellies and 5 Mints. Find a way to share the sweets between the three children so they each get the kind they like. Is there more than one way to do it?
Making Maths: Double-sided Magic Square
Age 7 to 14
Challenge Level
Make your own double-sided magic square. But can you complete both sides once you've made the pieces?
Making Squares
Age 7 to 11
Investigate all the different squares you can make on this 5 by 5 grid by making your starting side go from the bottom left hand point. Can you find out the areas of all these squares?
LOGO Challenge - Pentagram Pylons
Age 11 to 18
Challenge Level
Pentagram Pylons - can you elegantly recreate them? Or, the European flag in LOGO - what poses the greater problem?
More and More Buckets
Age 7 to 11
Challenge Level
In this challenge, buckets come in five different sizes. If you choose some buckets, can you investigate the different ways in which they can be filled?
Multiplication Squares
Age 7 to 11
Challenge Level
Can you work out the arrangement of the digits in the square so that the given products are correct? The numbers 1 - 9 may be used once and once only.
Square Corners
Age 7 to 11
Challenge Level
What is the greatest number of counters you can place on the grid below without four of them lying at the corners of a square?
Counters in the Middle
Age 7 to 11
Challenge Level
This task depends on groups working collaboratively, discussing and reasoning to agree a final product.
Fencing Lambs
Age 7 to 11
Challenge Level
A thoughtful shepherd used bales of straw to protect the area around his lambs. Explore how you can arrange the bales.
Chocoholics
Age 7 to 11
Challenge Level
George and Jim want to buy a chocolate bar. George needs 2p more and Jim need 50p more to buy it. How much is the chocolate bar?
NRICH is part of the family of activities in the Millennium Mathematics Project.