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 #41 : Representing And Solving Addition And Subtraction Problems
There are 
This is an addition problem because we want to know how many total students there are when we put the boys and the girls together. When we put things together we are adding.
We can start at 
Example Question #41 : Representing And Solving Addition And Subtraction Problems
For the school play, there are 
This is an addition problem because we want to know how many total parts there are when we put the singing and the talking parts together. When we put things together we are adding.
We can start at 
Example Question #42 : Representing And Solving Addition And Subtraction Problems
We ordered a large pizza and a medium pizza. The large pizza has 
This is an addition problem because we want to know how many total slices of pizza we have when we put the medium pizza slices together with the large pizza slices. When we put things together we are adding.
We can start at 
Example Question #43 : Representing And Solving Addition And Subtraction Problems
The pet store has 
This is an addition problem because we are putting the frogs in the two tanks together. When we put things together we are adding.
We can start at 
Example Question #44 : Representing And Solving Addition And Subtraction Problems
Lisa had 
This is a subtraction problem because Lisa has alreayd gone to some of the parties that she was invited to, so she has less parties left to go to than she started with this summer.
We can start at 
Example Question #41 : Addition And Subtraction Within 20 To Solve Word Problems: Ccss.Math.Content.1.Oa.A.1
Tim’s soccer team has 
This is a subtraction problem because people did not show up for practice, so there will be less people at practice than if everyone had shown up.
We can start at 
Example Question #45 : Representing And Solving Addition And Subtraction Problems
Tiffany bought 
This is a subtraction problem because Tiffany lost balloons so she will have less than what she started with.
We can start at 
Example Question #46 : Representing And Solving Addition And Subtraction Problems
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. 
Example Question #47 : Representing And Solving Addition And Subtraction Problems
The baseball team has 
This is a subtraction problem because we want to know how many balls are left over after each boy takes one. We start with the number of balls and then subtract the number that was taken. 
Example Question #48 : Representing And Solving Addition And Subtraction Problems
Jenny has 
This is a subtraction problem because we want to know how many games Jenny has left after she gives some to her friend. We take the total number of games that Jenny has, and then we subtract the number that she gave to her friend. 
All Common Core: 1st Grade Math Resources
