Strip Diagram
Number Line
Unknown Number
100

Jacob was helping his gym teacher, Mr. Adams, to clean up the storeroom for sports equipment. There were 25 tennis racquets and 36 hockey sticks. How many more hockey sticks are there than tennis racquets?

There were 11 more hockey sticks than tennis racquets. 

100

Daniel was helping his gym teacher, Mr. Adams, to clean up the storeroom for sports equipment. Daniel found 8 rugby balls in the storeroom. Mr. Adams said there should be a total of 11 rugby balls. How many rugby balls were missing?

3 rugby balls were missing.

100

You have 28 cookies and you ate 5 of them. How many cookies do you have left?

28-5=?

200

The fruit stand had 59 oranges in a bin. The owner could see that 21 of them were too old to sell, so he threw them away. He then brough out 78 more orgages from his truck. How many oranges were then in the bin?

116 oranges

200

There were 63 pencils in the box at the start of class. Students borrowed 20 of them, but at the end of class only 14 pencils were put back. How many pencils were in the box when class ended?

57 pencils

200

You have 15 balloons and your friend has 17 balloons. How many balloons do you have in total?

15+17=?
300

Amber had 94 songs on her phone. She deleted sixty-three of the ones she didn't like, and then downloaded fifty-one new songs. How many songs does she have on her phone now?

82 songs

300

David had one hundred forty comic books in his collection. He sold fifty-three of them back to the comic book store. Then he used that money to buy 23 new comic books. How many does he have now?

110 comic books

300

Lauren is planning a party. She is counting the juice boxes to make sure she has enough for everyone. She bought 250 juice boxes in total.

Fruit Punch: 93

Blueberry: ?

Tropical: 82

What two equations must be used to find the number of blueberry juice boxes?

93+82=?

250-175 =?

400

Brian had 26 eggs in the refrigerator. He used twelve of them to serve a dinner party for 9 of his friends. The next day, he bought twenty-four more. How many eggs are in his refrigerator now?

38 eggs

400

A chef had thirty customers in his restaurant, including 6 children. As 22 of them finished eating and left, another twenty-six came in and sat down. How many customers does the chef have in his restaurant now?

34 customers

400

Mateo had $283 in his bank account.

• On Wednesday he put $120 more into his account.

• On Friday he took out $200 to buy a bicycle.

Give me an equation that can be used to find the amount of money Mateo had in his bank account after he took out money on Friday?

283+120-200=?

500

The bargain bin at the toy store had 87 toys in it. 24 of the toys were bouncy balls. Shoppers came in and bought forty-seven of the toys. Later, a stocker dumped 63 more toys into the bin. How many toys are now in the bargain bin?

103 toys

500

The school year began with 244 students in 12 classrooms. For various reasons, 13 of the students left. However, twenty new students enrolled after school started. How many students does the school have now?

251 students 

500

John had two boxes of bows.

• He had 32 large bows in the first box.

• He had 62 small bows in the second box.

• He gave 40 of the large bows to his brother.

Give me a number sentence that can be used to find the number of bows John had left in the two boxes?

32+62-40=?