Common Core: 1st Grade Math : Word Problems: Addition of Three Whole Numbers Whose Sum is 20 or Less: CCSS.MATH.CONTENT.1.OA.A.2
Study concepts, example questions & explanations for Common Core: 1st Grade Math
All Common Core: 1st Grade Math Resources
Example Questions
Example Question #21 : Representing And Solving Addition And Subtraction Problems
At school we had a hotdog-eating contest. I ate 
This is an addition problem because we want to know how many hotdogs we ate altogether. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #21 : Representing And Solving Addition And Subtraction Problems
At the cakewalk there are 
This is an addition problem because we want to know how many cakes are at the cake walk altogether. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #23 : Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
At Linda’s birthday party there were 
This is an addition problem because we want to know how many total pizzas we have when we put the pizzas altogether. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #24 : Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
Lauren has 
This is an addition problem because we want to know how many total supplies Lauren has in her backpack when we put everything together. When we put things together we are adding.
We can start at 
Then we can count up 
All Common Core: 1st Grade Math Resources
