Even and Odd Numbers
Sorting numbers by pairs and ones digits
Even and Odd Numbers
Sorting numbers by pairs and ones digits
Math - Grade 2-3
- 1
There are 12 crayons on a table. Can the crayons be put into equal pairs with none left over? Write whether 12 is even or odd.
Even numbers can be divided into pairs with none left over.
The number 12 is even because 12 crayons can be put into 6 equal pairs with none left over. - 2
Decide whether 17 is even or odd. Explain your answer.
The number 17 is odd because one object would be left over after making pairs. - 3
Circle all the even numbers in this list: 8, 13, 20, 27, 34, 41.
Look at the ones digit of each number.
The even numbers are 8, 20, and 34 because they end in 0, 2, 4, 6, or 8. - 4
Circle all the odd numbers in this list: 5, 10, 16, 21, 32, 39.
The odd numbers are 5, 21, and 39 because they end in 1, 3, 5, 7, or 9. - 5
A basket has 9 apples. Draw pairs of apples. How many apples are left without a partner, and is 9 even or odd?
Make pairs until you cannot make another pair.
There is 1 apple left without a partner, so 9 is odd. - 6
Write the next four even numbers after 14.
The next four even numbers after 14 are 16, 18, 20, and 22. - 7
Write the next four odd numbers after 23.
Odd numbers go up by 2 when you count forward.
The next four odd numbers after 23 are 25, 27, 29, and 31. - 8
Mia has 18 stickers. She gives the same number of stickers to 2 friends. Will there be any stickers left over? Tell whether 18 is even or odd.
There will be no stickers left over because 18 can be shared equally into 2 groups of 9. The number 18 is even. - 9
Look at the numbers 31, 32, 33, 34, and 35. Sort them into even and odd numbers.
Check the ones digit of each number.
The even numbers are 32 and 34. The odd numbers are 31, 33, and 35. - 10
A number has a 6 in the ones place. Is the number even or odd? Explain how you know.
The number is even because any whole number with 0, 2, 4, 6, or 8 in the ones place is even. - 11
A number has a 7 in the ones place. Is the number even or odd? Explain how you know.
Only the ones digit decides if a whole number is even or odd.
The number is odd because any whole number with 1, 3, 5, 7, or 9 in the ones place is odd. - 12
There are 15 students in line. The teacher asks them to stand with partners. Will everyone have a partner? Tell whether 15 is even or odd.
Not everyone will have a partner because one student will be left over. The number 15 is odd. - 13
Fill in the blanks with even or odd: 44 is ____. 57 is ____. 60 is ____.
Look at the last digit of each number.
The completed sentence is: 44 is even, 57 is odd, and 60 is even. - 14
Liam counts by 2s starting at 2: 2, 4, 6, 8, 10. Are these numbers even or odd? Explain the pattern.
These numbers are even because each number can make pairs with none left over. Counting by 2 from 2 gives even numbers. - 15
Two teams have the same number of players. There are 22 players in all. Is 22 even or odd, and how many players are on each team?
Split 22 into two equal groups.
The number 22 is even because it can be split into 2 equal groups. Each team has 11 players.