Explorer · challenge
Explorer Book 1Forest Trail
25 contest-style maths adventures: 500 new multiple-choice puzzles for grades 3–4 (ages 8–10), with a short, child-friendly solution to every puzzle.
Coming soonGrades 3–4
Wobmat Math Challenge · Explorer
A puzzle series for curious children who love a challenge. Every book has 25 adventures, and every adventure is a 20-question contest.
Each contest has 7 warm-ups (3 points), 7 trickier puzzles (4 points) and 6 brain-stretchers (5 points), all multiple choice with five options, in the style of international primary maths contests. Every puzzle is new and comes with a short solution. The four books climb step by step, from a first contest puzzle to the hardest questions for grades 3–4.
WobMath is not affiliated with any competition organiser.
Explorer · challenge
Explorer Book 2River Run
25 contest-style maths adventures: 500 new multiple-choice puzzles for grades 3–4 (ages 8–10), with a short, child-friendly solution to every puzzle.
Coming soon
Explorer · challenge
Explorer Book 3Mountain Pass
25 contest-style maths adventures: 500 new multiple-choice puzzles for grades 3–4 (ages 8–10), with a short, child-friendly solution to every puzzle.
Coming soon
Explorer · challenge
Explorer Book 4Star Summit
25 contest-style maths adventures: 500 new multiple-choice puzzles for grades 3–4 (ages 8–10), with a short, child-friendly solution to every puzzle.
Coming soonLearn the ideas first: Dig Deeper with Wobmat →
Get the free WobMath Challenge Warm-up
A printable puzzle pack for grades 3–4, plus an email when the books are out. For parents and teachers.