About This Lesson
20 odd or even numbers questions and answers on a 5 minute timer; increases with difficulty with each test. Ideal starter or mental math for introduction.
Share
Share
Share
20 odd or even numbers questions and answers on a 5 minute timer; increases with difficulty with each test. Ideal starter or mental math for introduction.
A useful starter that could be used just for odd and even and more able challenged with primes :)