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EYFS Thinking About: Four Triangles
Here are some examples of children's thinking about the NRICH task Four Triangles.
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problem
2 out of 3
Gridlines
14 to 16
2 out of 3
How many triples of points are there in this 4×4 array that lie on a straight line?
problem
1 out of 3
Favourite
Nutrition and Cycling
14 to 16
1 out of 3
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
problem
1 out of 3
Favourite
Place Your Orders
11 to 14
1 out of 3
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
problem
1 out of 3
Favourite
Fruity Totals
7 to 16
1 out of 3
In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?
problem
2 out of 3
Favourite
Little Man
5 to 7
2 out of 3
The Man is much smaller than us. Can you use the picture of him next to a mug to estimate his height and how much tea he drinks?
problem
1 out of 3
Favourite
Cuisenaire Counting
5 to 7
1 out of 3
Here are some rods that are different colours. How could I make a yellow rod using white and red rods?
problem
1 out of 3
Favourite
How Do You Do It?
7 to 11
1 out of 3
This group activity will encourage you to compare different calculation strategies.
article
The Development of Spatial and Geometric Thinking: The Importance of Instruction
This article looks at levels of geometric thinking and the types of activities required to develop this thinking.
problem
2 out of 3
Favourite
Non-Transitive Dice
11 to 14
2 out of 3
Alison and Charlie are playing a game. Charlie wants to go first so Alison lets him. Was that such a good idea?