For each problem, identify the problem type and unknown based on Wisconsin Math Standards: Table 1 for K-2 grade students.

- Chris had 5 apples. How many more apples does Chris need to pick to have 13 apples altogether?

add to, change unknown - Diane had some kittens. She sold 5 kittens. Now she has 8 kittens left. Now many kittens did Diane have to start with?

take from, start unknown - Francis had 8 lollipops. His mother gave him 5 more lollipops. How many lollipops does he have now?

add to, result unknown - Professor Smith has 12 dogs. Eight are big and the rest are little. How many little dogs does Professor Smith have?

put together/take apart, addend unknown - Abeulo wants to put 8 fruit in the basket. If she uses only bananas or mangos, how many of each could she put in the basket?

put together/take apart, both addends unknown - Jaxyn had 11 cookies. He gave some cookies to Lynn. Now Jaxyn has 8 cookies. How many cookies did Jaxyn give to Lynn?

take from, change unknown - There are 8 girls and 5 boys on a soccer team. How many children are on the soccer team?

put together/take apart, total unknown - Jan has 12 snakes. Terrel has 8 snakes. How many more snakes does Jan have than Terrel?

additive compare, difference unknown - Anne has 8 flowers. How many more flowers does Anne need to pick to have 12 flowers?

add to, change unknown - Liam had 12 fish, which is 4 more than Olivia. How many fish does Olivia have?

additive compare, smaller unknown - Isaaku had 9 gumballs. He ate 4 gumballs. How many gumballs does Isaaku have left?

take from, result unknown

**Think like a teacher:** Create story problems for any problem type and unknown combination not included above.

add to, start unknown

additive compare, bigger unknown