There are a number of different ways in which you, as the teacher, might use NRICH solutions as part of the lesson itself and these are outlined in our Celebrating Solutions Feature.
The tasks below have been deliberately designed to integrate the use of learners' work, making them a great context in which to analyse other learners' reasoning.
The tasks below have been deliberately designed to integrate the use of learners' work, making them a great context in which to analyse other learners' reasoning.
problem
Favourite
Sizing them up
Age
5 to 7
Challenge level
Can you put these shapes in order of size? Start with the smallest.
problem
Favourite
Number round up
Age
5 to 7
Challenge level
Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.
problem
Favourite
Lots of lollies
Age
5 to 7
Challenge level
Frances and Rishi were given a bag of lollies. They shared them out evenly and had one left over. How many lollies could there have been in the bag?
problem
Favourite
Trebling
Age
7 to 11
Challenge level
Can you replace the letters with numbers? Is there only one solution in each case?
problem
Favourite
Forgot the numbers
Age
7 to 11
Challenge level
On my calculator I divided one whole number by another whole number and got the answer 3.125. If the numbers are both under 50, what are they?
problem
Favourite
Fitted
Age
7 to 11
Challenge level
Nine squares with side lengths 1, 4, 7, 8, 9, 10, 14, 15, and 18 cm can be fitted together to form a rectangle. What are the dimensions of the rectangle?