This is the self-checking pupil version of Pyramid Puzzle. The projectable Starter version is here.
Put the numbers 1 to 5 in the bottom row of this pyramid. They can be arranged in any order. The numbers in the other bricks are found by adding the two bricks immediately below together.
What arrangement of the numbers 1 to 5 in the bottom row gives at the top of the pyramid?
A pyramid puzzle worksheet is available here