List

Just Jottings (14-16)

Slick Summing
problem
Favourite

Slick Summing

Age
14 to 16
Challenge level
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Watch the video to see how Charlie works out the sum. Can you adapt his method?

Ben's Game
problem
Favourite

Ben's Game

Age
11 to 16
Challenge level
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Ben, Jack and Emma passed counters to each other and ended with the same number of counters. How many did they start with?
Two and Two
problem
Favourite

Two and Two

Age
7 to 16
Challenge level
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How many solutions can you find to this sum? Each of the different letters stands for a different number.

Wipeout
problem
Favourite

Wipeout

Age
11 to 16
Challenge level
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Can you do a little mathematical detective work to figure out which number has been wiped out?
Curvy areas
problem
Favourite

Curvy areas

Age
14 to 16
Challenge level
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Have a go at creating these images based on circles. What do you notice about the areas of the different sections?
Negatively Triangular
problem
Favourite

Negatively Triangular

Age
14 to 16
Challenge level
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How many intersections do you expect from four straight lines ? Which three lines enclose a triangle with negative co-ordinates for every point ?