# 2nd Grade Common Core: 2.OA.3

Common Core Identifier: 2.OA.3 / Grade: 2
Curriculum: Operations And Algebraic Thinking: Work With Equal Groups Of Objects To Gain Foundations For Multiplication.
Detail: Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.
15 Common Core State Standards (CCSS) aligned worksheets found:
Count the items and tell whether the number is even or odd.
Color only the odd numbers on the grid and you'll make a path to help the mouse find his cheese.
Color the even numbers blue and the odd numbers red.  Then, find the number in each group that doesn't belong.
Use the key to decode the secret numbers.
Sort the odd and even numbers by playing a matching game, or by sorting the number cards on a table.
Color the even numbers on the grid.  Make a path to help the batter find his baseball.
Tell whether the given numbers are odd or even.  Includes a couple of word problems on the bottom.
Cut, color, and fold the origami cootie catcher (aka Fortune Teller). Then play the game to learn odd and even numbers.
Find the sums for each basic addition problem.  Then, tell if the sum is even or odd.
A series of critical thinking word problems to help kids differentiate between odd and even numbers.
Color the caterpillars according to the instructions. Includes odd and even numbers up to 16.
This week, students will match 3-digit numbers to their word names, add triple-digit numbers, tell whether numbers are even or odd, count money, compare numbers, and practice repeated addition.
Estimate lengths of animals. Solve addition and subtraction word problems. Determine if a number is even or odd. Use a running total to count money. Complete a bar graph.
On the first caterpillar, fill in the missing even numbers (2-20). On the second caterpillar, fill in the missing odd numbers (1-19).
Logical thinking:  Write the missing numbers to make each scale balance.
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