20 pebbles were in the fish tank. Mrs. Jones took some out to clean the fish tank. Now there are only 13 pebbles in the tank. How many pebbles did Mrs. Jones take out?
Mrs. Jones took out 7 pebbles.
100
What is 15 + 12 = ?
27
200
What is 9+6 ?
15
200
Joe saw 17 butterflies in the garden. 7 more joined them. How many butterflies are in the garden now?
There are 24 butterflies in the garden now.
200
Kyle and his mom are driving to the mountains. The mountains are 20 miles away. They have already driven 12 miles. How many more miles do they have to drive?
They have to drive 8 more miles.
200
45 red apples and 10 green apples are on the table. How many apples are on the table altogether?
55 apples are on the table altogether.
200
I had 16 rocks in my rock collection. I went into the woods and found 15 more. How many rocks do I have in all?
I have 31 rocks in all.
300
What is 7+8 = ?
15
300
Maya collected 26 leaves to bring to school. On her way to school she found 14 more leaves. How many leaves does she have now?
Maya has a total of 40 leaves.
300
Brad wants to buy a video game that costs 26 dollars. He has saved 19 dollars. How much more money does he need to save?
He needs to save 7 more dollars.
300
36 seashells are on the beach. A wave washes away 10 seashells. How many seashells are still left on the beach?
26 seashells are still left on the beach.
300
Sarah bought 32 red and blue pencils from the store. 12 of the pencils were red. How many were blue?
30 pencils were blue.
400
What is 6 + 6 + 6 = ?
18
400
Our class is going to the Art Gallery, so our teacher is collecting money for the field trip. She collected 15 dollars on Monday, 35 dollars on Tuesday and 30 dollars on Wednesday. How much money has she collected so far?
She has collected 80 dollars so far.
400
At the first stop, 15 people got on the school bus. At the second stop, 2 people got off. At the third stop, 4 people got on. How many people are on the school bus?
17 people are on the bus.
400
29 children were sitting on the bus. 12 more children got on the bus. How many students are on the bus now?
41 students are on the bus now.
400
John had 22 pieces of paper in his desk. He gave 11 pieces of paper to his friend. How many pieces of paper does he still have in his desk?
He has 11 pieces of paper still left in his desk.
500
What is 6 +5 = 4 + ?
7
500
Mark went to the fair yesterday. He saw 10 more pigs than cows. If he saw 16 cows, how many pigs did he see?
He saw 26 pigs at the fair.
500
Cam had 17 pokemon cards. He got some more pokemon cards for his birthday. Now Cam has 29 pokemon cards. How many pokemon cards did Cam get for his birthday?
Cam got 12 pokemon cards for his birthday.
500
There were 33 children in the cafeteria. 10 children got hotdogs. The rest got hamburgers. How many got hamburgers?
23 children got hamburgers.
500
Steven's mom had 100 mini cars. She gave 10 to Jason, another 10 to Frank, another 10 to Julie and 5 more to Sam. How many cars does she have left?