Practice divisibility rules with a fast-paced Yes/No challenge. Master mental math shortcuts for numbers 2-12!
Practice divisibility rules with a fast-paced Yes/No challenge. Choose your tables and time limit, then identify if numbers are divisible!
Master quick tests for divisibility by 2-12. No calculator needed!
Use these rules for fractions, algebra, and everyday math problems.
Start with simple patterns (2,5,10) and progress to complex rules (7,8,9).
Review the divisibility rules guide on the page before starting. Learn the shortcuts for numbers 2-12.
Choose Easy (2, 5, 10), Intermediate (3, 4, 6, 11), Challenge (7, 8, 9, 12), or All Tables. You can also select individual tables.
Choose from 1, 2, 3, 5, or 10 minutes. Race against the clock!
For each number, decide if it's divisible by the given divisor. Get instant feedback and see how many you can answer before time runs out!
Master quick mental calculations without a calculator
Instant feedback helps you learn from mistakes immediately
Essential for fractions, algebra, and advanced mathematics
Choose which divisibility rules you'd like to practice.
Select how long you'd like to practice.
Select the maximum number size for your challenge.
Decide if numbers are divisible - answer as many as you can before time runs out!