Three-Digit Addition Word Problems

Susan had collected 141 seashells last summer. This summer she collected 194 shells. What is the total number of seashells she had collected?

Molly had 223 songs on her phone. Her brother had 159 songs on his phone. How many songs did they have in all?

Harry is reading a chapter book that has 432 pages. He has already read 116 pages. How many pages does he have left to read?

Chelsea collects sand dollars. The number she has collected is greater than 400 and less than 460. The number in the hundreds place is one less than the number in the tens place. The number in the ones place is two more than the number in the tens place. How many sand dollars has Chelsea collected?

350 people went to the movie on Saturday. Fewer people went to the movie on Sunday. About 600 people went to the movies in all. How many people went to the movie on Sunday?

My garden has 145 corn stalks. It also has some tomato plants. There are about 245 corn and tomato plants in my garden. About how many tomato plants are in my garden?

163 girls went to see fireworks. About 300 people went to see the fireworks in all. How many boys went to see the fireworks?