Common Core: 1st Grade Math : Operations & Algebraic Thinking
Study concepts, example questions & explanations for Common Core: 1st Grade Math
All Common Core: 1st Grade Math Resources
Example Questions
Example Question #1 : 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 #1 : 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 
Example Question #2 : Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
Amy’s street has three houses on it. The first house has 
This is an addition problem because we want to know how many total rooms are in the three houses altogether. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #81 : Operations & Algebraic Thinking
Brian loves balloons. For his birthday, his mom tied 
This is an addition problem because we want to know how many total balloons there are when we put the balloons on the mailbox, door, and in the house altogether. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #1074 : Operations
The pet store sells bunnies, fish, and kittens. They have 
This is an addition problem because we want to know how many pets the store has when we put the fish, kittens, and bunnies together. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #13 : Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
Rick, his mom, and dad went to the batting cages. Rick hit 
This is an addition problem because we want to know how many total balls the family hit together. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #14 : Representing And Solving Addition And Subtraction Problems
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 has when we put the apples, organes, and bananas together. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #15 : Representing And Solving Addition And Subtraction Problems
For a project, Tim needs 
This is an addition problem because we want to know how many pieces of paper Tim needs when we put the three colors together. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #14 : Word Problems: Addition Of Three Whole Numbers Whose Sum Is 20 Or Less: Ccss.Math.Content.1.Oa.A.2
A bag of marbles has 
This is an addition problem because we want to know how many total marbles are in the bag when we put the colors together. When we put things together we are adding.
We can start at 
Then we can count up 
Example Question #17 : Representing And Solving Addition And Subtraction Problems
At the dog park there are 
This is an addition problem because we want to know how many total dogs are at the park 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
