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Homes
Six new homes are being built! They can be detached, semi-detached or terraced houses. How many different combinations of these can you find?
Number Squares
Start with four numbers at the corners of a square and put the total of two corners in the middle of that side. Keep going... Can you estimate what the size of the last four numbers will be?
Age 5 to 7
Challenge Level
Why do this problem?
This problem would fit in well when children are doing addition and subtraction of numbers under $20$. It would help them to see that these are not all "sums" but have some real-life connections.Key questions
How many dog biscuits are there altogether?
Do those two numbers add to $16$?Possible extension
Learners could find how many biscuits each dog would have if there were $10$, $11$, $12$ ... $20$ altogether.Possible support
Using $16$ counters will help children work on the problem.
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.