Representing and Solving Addition and Subtraction Problems
Help Questions
1st Grade Math › Representing and Solving Addition and Subtraction Problems
Jessica’s dog eats three times a day. In the morning he eats cups of food, in the afternoon he eats
cup of food, and in the evening he eats
cups of food. How many total cups of food does Jessica’s dog eat each day?
Explanation
This is an addition problem because we want to know how many cups of food Jessica's dog gets altogether in a day. When we put things together we are adding.
We can start at and count up
.
Then we can count up .
Jessica’s dog eats three times a day. In the morning he eats cups of food, in the afternoon he eats
cup of food, and in the evening he eats
cups of food. How many total cups of food does Jessica’s dog eat each day?
Explanation
This is an addition problem because we want to know how many cups of food Jessica's dog gets altogether in a day. When we put things together we are adding.
We can start at and count up
.
Then we can count up .
At the dog park there are brown dogs,
white dogs, and
black dog. How many dogs are at the park?
Explanation
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 and count up
.
Then we can count up .
At the dog park there are brown dogs,
white dogs, and
black dog. How many dogs are at the park?
Explanation
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 and count up
.
Then we can count up .
Lauren has pencils,
markers, and
notebooks in her backpack. How many total items does Lauren have in her backpack?
Explanation
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 and count up
.
Then we can count up .
Lauren has pencils,
markers, and
notebooks in her backpack. How many total items does Lauren have in her backpack?
Explanation
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 and count up
.
Then we can count up .
A bag of marbles has purple marbles,
black marbles, and
red marbles. How many marbles are in the bag?
Explanation
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 and count up
.
Then we can count up .
A bag of marbles has purple marbles,
black marbles, and
red marbles. How many marbles are in the bag?
Explanation
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 and count up
.
Then we can count up .
Lindsey’s family is going on vacation. She packs bags, her dad packs
bag, and her mom packs
bags. How many total bags are they taking on their vacation?
Explanation
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 and count up
.
Then we can count up .
For a project, Tim needs pieces of blue paper,
pieces of yellow paper, and
pieces of green paper. How many pieces of paper does Tim need?
Explanation
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 and count up
.
Then we can count up .