Common Core: 2nd Grade Math : Operations & Algebraic Thinking
Study concepts, example questions & explanations for Common Core: 2nd Grade Math
All Common Core: 2nd Grade Math Resources
Example Questions
Example Question #41 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1
Cindy has 
This is an addition problem because we want to know how many total steps are in Cindy’s house all together. We can add the numbers in any order,
Example Question #92 : How To Add
The pet store sells bunnies, fish, and kittens. They have 
This is an addition problem because we want to know how many total animals the pet store sells all together.
Example Question #941 : Operations
Jessica’s dog gets 
This is an addition problem because we want to know how many total minutes Jessica’s dog walks all together in a day. We can add the numbers in any order, 
Example Question #93 : How To Add
Rick, his mom, and dad went to the batting cages. Rick hits 
This is an addition problem because we want to know how many total balls Rick and his parents hit all together at the batting cages. We can add the numbers in any order, 
Example Question #42 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1
At the store, Megan bought a bag of 
This is an addition problem because we want to know how many total pieces of fruit Megan bought all together. We can add the numbers in any order, 
Example Question #43 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1
For a project, Tim needs 
This is an addition problem because we want to know how many total pieces of paper Tim needs all together. We can add the numbers is any order,
Example Question #511 : Operations & Algebraic Thinking
Mr. Bell has 
This is a subtraction problem because we want to know how many desks are left over after all of Mr. Bell’s class sits at a desk. We take the number of desks in his room, and subtract the number of students that he has. 
Example Question #512 : Operations & Algebraic Thinking
The pet store has 
This is a subtraction problem because we want to know how many goldfish the pet store has left over after the teacher buys the first and takes them away from the store. We take the number of goldfish that the store had and then subtract the number that the teacher bought. 
Example Question #513 : Operations & Algebraic Thinking
On the morning of December 24th, a tree lot had 
This is a subtraction problem because we want to know how many trees were taken away, or sold, from the total. We take the number of trees they started with, and then subtract the number of trees they have left to find out how many they sold. 
Example Question #514 : Operations & Algebraic Thinking
Spot has a box of treats with 
This is a subtraction problem because we want to know how many of the total treats Spot has eaten. We take the total number of treats and then subtract the number of treats that are left in the box. 
All Common Core: 2nd Grade Math Resources
