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Super Shapes

Age 7 to 11 Short Challenge Level:

Each of the following shapes has a value:

 

 

green triangle $= 7$ orange rectangle. $= 17$

The value of the red shapes changes in each of the following problems.
Can you discover its value in each problem, if the values of the shapes are being added together?

(a) $= 25$
(b) $= 51$
(c) $=136$
(d) $=48$
(e) $=100$

You could print off this sheet.pdf of the problem.
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
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