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September – 2021 Challenge
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Puzzle supply
About the author
Media enquiries
Puzzles
4’s challenge
Arithmetic operators
Alphametic
ARITH-Maze
ARITHMAGON (addition)
Can-U-Figure-It-Out
Chinese multiplication
CIRCLE-Sums
CROSS-NUMBERS
DARTS Challenge
Egyptian arithmetic
EQUATE+0,+1,+2 & +3
EQUATE-Sums
EQUATE-Takeaways
EQUATE-Times
Fractions, decimals and %ages
HEXAGON-numeric
Matchsticks
Mind-Xpander Logic
Petite CIRCLE-Sums
Polygons
Prime numbers
Relational
Roman arithmetic
Safety code
Scientific / Engineering notation
SQUARE-Sums
SQUARE-Up
STAR-Sums
SUM-IT
SUM-IT ‘4-sided’ Pyramid
X-Sums
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