Worksheet: Word Problems: Adding Numbers up to 20

In this worksheet, we will practice solving addition problems with numbers up to 20 by finding either the missing part or the whole and will practice solving additive comparison problems.


William built a tower with 8 blocks. He then added 5 more blocks. How many blocks are in the tower now?


6 children were playing in a playground. They were joined by another group of children. After that, there were 10 children in the playground. How many children were in the group that joined?


Hannah built a tower with 14 blocks, but 6 blocks fell off. How many blocks are still in the tower?


Waiters were serving food to a table. After 6 plates had been served, there were 9 people who still needed food. How many people were at the table?


A group of girls were dancing. 4 boys joined in and then there were 8 people dancing in total. How many girls were there?


A group of fairies were flying around a flower. After 4 more fairies joined the group, there were 14 fairies in total.