2 out of 3
Can you draw perpendicular lines without using a protractor? Investigate how this is possible.
3 out of 3
You have pitched your tent (the red triangle) on an island. Can you move it to the position shown by the purple triangle making sure you obey the rules?
1 out of 3
Your challenge is to find the longest way through the network following this rule. You can start and finish anywhere, and with any shape, as long as you follow the correct order.
2 out of 3
What shape is the overlap when you slide one of these shapes half way across another? Can you picture it in your head? Use the interactivity to check your visualisation.
2 out of 3
Moira is late for school. What is the shortest route she can take from the school gates to the entrance?
2 out of 3
In this article for primary teachers, Lynne McClure outlines what is meant by fluency in the context of number and explains how a selection of NRICH tasks can help.
2 out of 3
Take three differently coloured blocks - maybe red, yellow and blue. Make a tower using one of each colour. How many different towers can you make?
2 out of 3
Can you find combinations of strips of paper which equal the length of the black strip? If the length of the black is 1, how could you write the sum of the strips?
