Second Grade Math Common Core

 

Operations and Algebraic Thinking

 

Represent and solve problems involving addition and subtraction.

2.OA.A.1 - Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions

 

Addition and Subtraction Word Problems - The print on the word problems is small but there are pictures to back up the problem.

 

How many people got on the bus? - This is a video that explains how to understand a word problem

 

LearnZillion Videos - Several teaching videos on problem solving.  Very child friendly

 

 

Add and Subtract within 20

2.OA.B.2 - Fluently add and subtract within 20 using mental strategies.

 

Add Like Mad - Click on numbers in the grid to add up to the give number.  Allows for 2, 3 and 4 digit adding.

 

Alien Addition - Very fun game where studetns move the alien and hit the spaceships with the correct addition problem

 

Math Magician - Answer as many questions as you can in 2 and a half minutes.  You can do addition or subtraction

 

Cone Crazy - Click on the correct subtraction problem to give the penguin the correct ice cream.  Cute!

 

 

Work with equal groups of objects to gain foundations for multiplication

2.OA.C.3 - Determine whether a group of objects (up to 20) has an odd or even number of members,