# Math Practice Topic: Odd or Even Theory

 Description: Apply understanding of odds and evens to determine if the result of a complex calculation is odd or even. Adaptive Learning Progression: First uses words to teach the theory, then switches to numbers to apply it. Start using MathScore for free

## Sample Levels (out of 8)

Select if the resulting number is odd or even

 1 even number - even number --- odd even 2 even number + odd number --- odd even 3 odd number × odd number --- odd even 4 odd number - odd number --- odd even

Select if the resulting number is odd or even

 1 28161 + 49619 --- odd even 2 5836 - 30022 --- odd even 3 10322 - 2452 --- odd even 4 25124 × 37553 --- odd even

Select if the resulting number is odd or even

 1 13902 - 4073 + 40051 --- odd even 2 49380 + 34555 - 17016 --- odd even 3 45279 - 19907 - 17950 --- odd even 4 26812 × 13742 - 21688 --- odd even 5 1886 - 6844 + 11752 --- odd even 6 23424 + 8654 - 40962 --- odd even 7 48159 × 19577 + 11264 --- odd even 8 41631 × 1948 × 20034 --- odd even 9 37082 × 29780 × 16984 --- odd even 10 41676 × 39472 × 7293 --- odd even