Common Core: 1st Grade Math : Representing and Solving Addition and Subtraction Problems
Study concepts, example questions & explanations for Common Core: 1st Grade Math
All Common Core: 1st Grade Math Resources
Example Questions
Example Question #1 : Addition And Subtraction Within 20 To Solve Word Problems: Ccss.Math.Content.1.Oa.A.1
A large pizza has 
This is a subtraction problem because we want to know how many slices will be left after we eat some. Since we are eating slices, or taking slices away, we will have less than what we started with.
We can start at 
Example Question #1 : Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
Emily has 
This is an addition problem because we want to know how many total pieces of fruit Emily has when we put the blueberries, strawberries, and rapsberries together. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #2 : Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
The grocery store has 
This is an addition problem because we want to know how many total bottles the store has been we put the juice, soda, and water bottles together. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #3 : Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
Suzzy finds 
This is an addition problem because we want to know how many total coins Suzzy found when she puts all the coins together. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #4 : Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
The carnival game has 
This is an addition problem because we want to know how many total bears the carnival game has when we put the three sizes together. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #1 : Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
The gumball machine has 
This is an addition problem because we want to know how many total gumballs there are when we put all the colors together. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #6 : Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
There are three pots of flowers in Hannah’s yard. The first pot has 
This is an addition problem because we want to know how many total flowers there are in all the pots put together. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #71 : Operations & Algebraic Thinking
During my hockey game, James scored 
This is an addition problem because we want to know how many total points were scored when we put all the points together. When we put things together we are adding.
We can start at 
Example Question #8 : Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
My candy basket has 
This is an addition problem because we want to know how many pieces of candy when I put the sucker, chocolate and gummies together. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #9 : Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
Lindsey’s family is going on vacation. She packs 
This is an addition problem because we want to know how many total bags the family has altogether. When we put things together we are adding.
We can start at 
Then we can count up 
All Common Core: 1st Grade Math Resources
