Brain training · All levels
Adult Workbooks
Math is a workout your brain actually enjoys — from daily warm-ups to problems worth a second cup of coffee.
All levels
Basic Math Workbook for Adults
Over 3,300 exercises with answers, arranged progressively — a daily workout that keeps the mind sharp.
- Addition to division — all four operations
- Answers included — check yourself as you go
- Progressive difficulty — starts gentle, ramps up
All levels
Basic Math Workbook for Adults — Plus Fractions & Decimals
Over 3,100 tasks arranged from easy to hard — addition through long division, with dedicated fractions and decimals sections.
- Adds fractions & decimals — a step up from the core book
- Progressive difficulty — build from the ground up
- Answers included
All levels · New
Basic Math Workbook for Adults — Book 3
Over 3,200 exercises with answers — the four operations with full long division, plus 67 math crosswords for a relaxing puzzle break.
- Long division, step by step — a scaffolded grid for every problem
- 67 math crosswords — grids where every sum has to balance
- Answers included — check yourself as you go
For the kids
Know a young detective?
Our Math Detective Agency series turns kids ages 9–12 into code-cracking agents. Start with 3 free missions.
Enter the Agency