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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