Start Unknown
Change Unknown
Result Unknown
Change Unknown
Start Unknown
100

There were some books on the shelf. Then, 6 more books were added, and now there are 10 books on the shelf. How many books were there at the start?

4 books

100

Mia has 6 pencils. After getting some more pencils, she now has 10 pencils. How many pencils did she get?

4 pencils

100

Ben has 5 toy cars. His friend gives him 4 more toy cars. How many toy cars does Ben have now?

9 toy cars

100

Ella has 11 flowers. Her friend picks some more for her, and now she has 14 flowers. How many flowers did her friend pick?

3 flowers

100

Max had some toy cars in his box. He got 8 more cars for his birthday, and now he has 11 cars. How many cars did he start with?

3 toy cars

200

Some apples were in the basket. Then, 9 more apples were added, and now there are 15 apples in total. How many apples were in the basket at first?

6 apples

200

Ben has 3 goldfish. After getting some more, he now has 10 goldfish. How many goldfish did he get?

7 goldfish

200

Lucy has 2 dolls. Her sister gives her 8 more dolls. How many dolls does Lucy have now?

10 dolls

200

Carl has 4 blocks. She finds some more blocks, and now she has 10 blocks. How many blocks did she find?

6 blocks

200

Some kids were building sandcastles. Then, 3 more kids joined them, and now there are 10 kids building sandcastles. How many kids were there at the beginning?

7 kids

300

Some kids were playing at the park. Then, 3 more kids joined them, and now there are 10 kids playing. How many kids were at the park to start?

7 kids

300

Amy has 12 crayons. Her cousin gives her some more, and now she has 20 crayons. How many crayons did her cousin give her?

8 crayons

300

Emma has 7 marbles. Her friend gives her 5 more marbles. How many marbles does Emma have now?

12 marbles

300

Sam has 10 markers. His friend lends him some more, and now he has 18 markers. How many markers did his friend lend him?

8 markers

300

There were some fish in the tank. The pet store added 4 more fish, and now there are 12 fish. How many fish were in the tank to start?

8 fish

400

There were some flowers in a vase. Then, 8 more flowers were added, and now there are 17 flowers in the vase. How many flowers were there at the beginning?

9 flowers

400

Max has 8 shells in his collection. After adding some more shells, he now has 17 shells. How many shells did he add?

9 shells

400

There are 11 frogs on a log. 4 more frogs hop onto the log. How many frogs are on the log now?


15 frogs

400

There were 10 dogs at the park. Some more dogs joined them and now there are 20 dogs. How many dogs joined them at the park?

10 dogs

400

Some candies were in the jar. Then, 7 more candies were added, and now there are 18 candies in the jar. How many candies were in the jar at first?

11 candies

500

You had some gummies. Ms. Brown gave you 5 more gummies. Now you have 17 gummies. How many gummies did you start with?

12 gummies

500

Leo has 5 toy trucks. After getting some more, he now has 15 toy trucks. How many toy trucks did he get?

10 toy trucks

500

Jake has 9 stickers, and he gets 8 more from his teacher. How many stickers does he have in total?

17 stickers

500

Joe had 5 churros at the carnival. He buys some more churros and now he has 18 churros. How many churros did Joe buy?

13 churros

500

There were some stickers in a book. Sam put 6 more stickers in, and now there are 20 stickers. How many stickers did he start with?

14 stickers

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