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100

Sally had 125 pencils and Sam had 330 pencils. How many pencils did they have altogether? 

What is 455?

100

There were 136 birds in a tree. 84 of those birds flew away. How many birds are in the tree now?

What is 52?

100

Raul has some pet ants in an ant colony. Xavier gives him 76 more ants to add to the colony. Now Raul has 108 ants in his colony. How many ants did Raul have to start with?

What is 32?

100

Some giant sea turtles were swimming toward the shore. 5 stopped to rest. There are 16 sea turtles still swimming. How many sea turtles were swimming toward the shore at the start?

What is 11?

100

There were 49 tropical fish swimming in an aquarium. 22 of them were angelfish. How many were not angelfish?

What is 27?

200

Mrs. Witten bought 56 new library books. Mrs. Ash bought 67 new library books. How many new books did the library get altogether?

What is 123?

200

Mary had 560 legos. She let her brother borrow 150 of them. How many legos does Mary have now?

What is 410?

200

Emma has some teddy bear stickers. She buys 125 more teddy bear stickers. Now she has 342 teddy bear stickers altogether. How many teddy bear stickers did Emma have to start with?

What is 217?

200

Robert had some Goldfish crackers. He ate 57 of them. Then he had 93 left. How many Goldfish crackers did Robert have before he ate some?

What is 150?

200

There were 32 penguins on an iceberg. Five of the penguins were sleeping. How many penguins were not sleeping?

What is 27?

300

Fredrick collected 238 seashells on his walk on the beach. Jamie collected 165 seashells on her walk on the beach. How many shells did they collected altogether?

What is 403?

300

There were 68 children on the bus. 13 children got off the bus. How many children are on the bus now?

What is 55?

300

On Saturday, Lisa collected some stones from the river. On Sunday, she collected 347 more stones from the river. Lisa's stone collection now has 500 stones. How many stones did Lisa collect on Saturday?

What is 153?

300

Jane made some water balloons. She threw 148 of them at her friends. Now she has 26 water balloons left. How many water balloons did Jane make?

What is 174?

300

Nathan baked 136 cookies for his class. Twenty-five of them were shaped like crescent moons. The rest were round. How many of the cookies were round?

What is 111?

400

Dalton read 117 pages in his book at school. When Dalton when home he read 65 more pages. How many pages did Dalton read in all?

What is 122?

400

189 people were at the skating rink. 130 people left the skating rink. How many people are at the skating rink now?

What is 59?

400

Some pigeons are eating bread crumbs in the park. Eighteen more pigeons come and start eating. Now there are one hundred twenty four pigeons altogether. How many pigeons were in the park to start with?

What is 106?

400

Khushi had some erasers. She gave 47 of them to her sister. Now Khushi has 239 erasers. How many erasers did Khushi have to start with? 

What is 286?

400

There were 226 people on the ferris wheel. 118 of them were kids. The rest were adults. How many adults were on the ferris wheel?

What is 108?

500

Lisa had 429 legos. Her mom gave her 185 more Legos. How many Legos does Lisa have now?

What is 614?

500

393 children stayed after school on Thursday. Then 155 students left. How many students were still at the school?

What is 238?

500

Some Emperor penguin eggs hatch. Soon 163 more Emperor penguin eggs hatch. A total of 498 eggs hatch. How many Emperor penguin eggs hatched at the start?

What is 335?

500

Marwan had some colorful marbles. He gave 158 of them to his friend Jose. Now he has 435 marbles left. How many marbles did Marwan have before he gave some away?

What is 593?

500

There are 385 students eating lunch in the cafeteria. Two hundred thirty-eight of the students brought their lunch from home. How many students did not bring their lunch from home?

What is 147?

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