Number Races
- A pack of 51 mental calculations games, designed to strengthen mental agility
- Creation Date: Monday, 03 October 2011
- File size: 196.61 KB
- Downloaded: 881
-
Instructions:
This pack contains 51 Number Races.
You are not allowed to write down any working or to keep track of intermediate answers.
All calculations must be performed in your head.
You can compete against a friend or challenge yourself against the clock.