Sock Pairs: Odd or Even?
0 / 12Sock Pairs: Odd or Even?
Pair up objects to tell if a number is odd or even.
Pair them up
Make as many pairs as you can. Then decide if the number is odd or even.
1.
Theo has 7 socks. He makes as many pairs as he can.
Theo makes pairs with sock left over. 7 is .
2.
Grace has 12 mittens. She makes as many pairs as she can.
Grace makes pairs with mittens left over. 12 is .
3.
Each number tells how many socks are in a basket. Circle every number that is even.
4.
Each dot is one sock.
How many socks are there, and is that number odd or even?
How many socks are there, and is that number odd or even?
Doubles make even numbers
An even number can be split into two equal groups. Fill in the blanks and match the doubles.
5.
Sam puts 16 socks into two equal piles.
+ = 16
6.
Ms. Lopez lines up her class in pairs. There are 9 pairs and nobody is left over.
There are kids in line. That number is .
7.
Which number of socks can be split into two equal piles with none left over?
8.
Match each even number to its doubles fact.
Sock drawer sort
Sort the drawers, answer the question, and explain your thinking.
9.
Each drawer has a number of socks. Sort the drawers into odd and even.
10.
Jon has 17 crayons. He puts them in pairs. What happens?
11.
Rosa counts her socks by 2s: 2, 4, 6, 8, 10. She has 1 more sock that has no partner.
Rosa has socks. That number is .
12.
Ivy says 15 is even because 7 + 8 = 15. Is she right? Explain how you know.