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Sock Pairs: Odd or Even? worksheet preview

Worksheet

Sock Pairs: Odd or Even?

Grade 2 odd and even practice with socks and mittens. Kids make pairs, count leftovers, and write even numbers as doubles up to 20.

Grade 2MathInteractive · Printable

Aligned to2.OA.C.3

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What’s included

  • Single worksheet
  • Auto-graded online
  • 1 Common Core standard
  • Printable answer key
  • 12 questions
  • Classroom-ready

Details

Format
Interactive · Printable
Grade
Grade 2
Subject
Math
Question types
Fill in the blank, Multiple choice, Matching, Circle the answer, Sorting, Short answer

About this worksheet

What students practice

  • Students decide if a group of up to 20 objects is odd or even by making pairs.
  • Students write an even number up to 20 as a sum of two equal addends.
  • Students explain why a number with one object left over is odd.

How to use

Give each student up to 20 counters or real socks. Have them build pairs for the first questions before writing, then move to the doubles facts.

Curriculum

Common Core standard covered

2.OA.C.3

Decide whether a group of up to 20 objects has an odd or even number of members.

Preview

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Name Date

Sock 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.

491417181120

4.
Each dot is one sock.

How many socks are there, and is that number odd or even?
  • A. 15, even
  • B. 14, even
  • C. 15, odd
  • D. 16, 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?
  • A. 13
  • B. 9
  • C. 15
  • D. 10
8.
Match each even number to its doubles fact.
  1. 14
  2. 8
  3. 20
  4. 6
  1. A. 3 + 3
  2. B. 10 + 10
  3. C. 7 + 7
  4. D. 4 + 4

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.
5 socks8 socks13 socks20 socks16 socks19 socks
OddEven
10.
Jon has 17 crayons. He puts them in pairs. What happens?
  • A. Every crayon has a partner.
  • B. One crayon has no partner.
  • C. Two crayons have no partner.
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.

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