Show or explain why 12 + 13 +14 + 15 + 16 will result in an even sum.
From EngageNY.org of the New York State Education Department. Grade 6 Mathematics Module 2, Topic D, Lesson 16. Internet. Available from https://www.engageny.org/resource/grade-6-mathemat...; accessed 22/Oct/2015.
Will the sum for following problem be even or odd?
56,426 + 17,895
even
odd
Will the product for following problem be even or odd?
317,362 × 129,324
even
odd
Will the sum for following problem be even or odd?
10,481 + 4,569
even
odd
Will the product for following problem be even or odd?
32,457 × 12,781