Even and odd numbers
Answers are for parents and teachers.
1
Write all the even numbers from 2 to 20.
2, 4, 6, 8, 10, 12, 14, 16, 18, 20.
2
Find five numbers at home, such as page numbers or house numbers. Write each one and say even or odd.
Any sensible answers, checked by the ones digit.
3
Find the doubles: 6 + 6, 7 + 7, 8 + 8 and 9 + 9. Are all the answers even?
12, 14, 16 and 18. Yes, all are even.
4
True or false: odd + odd is always even. Test it with 3 + 9 and 5 + 11.
True. 3 + 9 = 12 and 5 + 11 = 16, both even.
5
The colored numbers on the chart follow a pattern. Are they even or odd? What are the next two colored numbers?
They are odd: 1, 3, 5, 7, 9, 11, 13, 15, so the next two are 17 and 19.