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Firefly Jars: Pair Up the Glow worksheet preview

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Firefly Jars: Pair Up the Glow

Grade 2 odd and even practice with firefly jars: count groups up to 20, make pairs, find leftovers, and write even numbers as doubles.

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, Circle the answer, Sorting, Short answer

About this worksheet

What students practice

  • Students decide whether a group of up to 20 objects is odd or even by pairing them.
  • Students write an even number as a sum of two equal addends.

How to use

Use after modeling odd and even with counters. Let students circle pairs in the pictures before they answer, then discuss the explanation question together.

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

OwlSheets.com

Name Date

Firefly Jars: Pair Up the Glow

Pair up fireflies to tell if a group is odd or even.

Count the Glow

Each dot or star is one firefly. Count the fireflies, then write odd or even.

1.
Nora caught fireflies in her jar.

How many fireflies are in the jar?  
Is that number odd or even? Write odd or even.  

2.
Sam caught fireflies in his jar.

How many fireflies are in the jar?  
Is that number odd or even? Write odd or even.  

3.
Ravi lined up his fireflies in 2 rows.

How many fireflies are there in all?  
Is that number odd or even? Write odd or even.  

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