Math Practice Problems - Odd or Even Theory

Odd or Even Theory - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

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Complexity=2, Mode=words

Select if the resulting number is odd or even

#	Problem	Correct Answer	Your Answer
1	even number + even number

#	Problem	Correct Answer	Your Answer
2	odd number × even number

Complexity=2, Mode=numbers

Select if the resulting number is odd or even

#	Problem	Correct Answer	Your Answer
1	7899 + 12239
Solution 7899 + 12239 = odd + odd odd + odd = even

#	Problem	Correct Answer	Your Answer
2	8310 + 15807
Solution 8310 + 15807 = even + odd even + odd = odd

Complexity=3, Mode=numbers

Select if the resulting number is odd or even

#	Problem	Correct Answer	Your Answer
1	45613 × 23015 - 29376
Solution 45613 × 23015 - 29376 = odd × odd - even odd × odd = odd odd - even = odd

#	Problem	Correct Answer	Your Answer
2	47504 - 13169 + 40187
Solution 47504 - 13169 + 40187 = even - odd + odd even - odd = odd odd + odd = even

Complexity=4, Mode=numbers

Select if the resulting number is odd or even

#	Problem	Correct Answer	Your Answer
1	22139 + 43805 - 25891 - 31900
Solution 22139 + 43805 - 25891 - 31900 = odd + odd - odd - even odd + odd = even even - odd = odd odd - even = odd

#	Problem	Correct Answer	Your Answer
2	2926 + 19349 + 46938 - 37557
Solution 2926 + 19349 + 46938 - 37557 = even + odd + even - odd even + odd = odd odd + even = odd odd - odd = even

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