Puzzle 07 / 10 in Figgle
Sums:
a logic puzzle for kids
Slot the numbers into the grid until every sum adds up.
How to play
- Place the numbers into the empty squares.
- Every sum in the grid has to add up.
- The numbers stay small, so it is about the thinking, not the arithmetic.
A tip to get started
Start with a sum that has only one gap. It is just "2 + ? = 5", and that answer helps the sums that cross it.
What it practises
Missing-number thinking. Working out the unknown in "2 + ? = 5" is pre-algebra with the scary bits removed.
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