Fill in the missing digit to make numbers divisible! Apply divisibility rules through hands-on problem solving.
Fill in the missing digit to make numbers divisible! Choose your divisors, difficulty level, and solve engaging puzzles.
Apply divisibility rules through hands-on problem solving. Work backwards from solutions and build problem-solving skills.
One attempt per question encourages careful analysis and thoughtful solutions. No trial and error!
Start with 2-digit numbers and progress to 6-digit challenges. Choose single or multiple divisors.
Choose which divisors (2-12) you want to practice. Select one to focus on a specific rule, or multiple for mixed practice.
Choose Level 1 (2-3 digit numbers), Level 2 (3-4 digit numbers), or Level 3 (4-6 digit numbers). Select 5, 10, 15, or 20 questions.
Choose self-paced (unlimited time) or countdown timer (3, 4, or 5 minutes). Self-paced is ideal for learning!
A number appears with one digit replaced by a blank. Determine which digit (0-9) makes it divisible by the given divisor. You get one attempt per question!
Apply rules in reverse to truly master divisibility concepts
Analyze carefully before answering - builds mathematical reasoning
Perfect practice for 11+, Common Entrance, and mental math tests
Choose which divisibility rules you want to practice.
How many missing digit puzzles would you like to solve?
Choose the complexity of numbers in your puzzles.
2-3 digit numbers
3-4 digit numbers
4-6 digit numbers
Choose how you'd like to time your puzzle challenge.
Count up timer - work at your own pace
Race against the clock
Fill in the missing digit to make numbers divisible!