3 Digit Addition and Subtraction Review

Do I have to regroup to answer this problem: 504-213?

309+309=

A bat can eat a lot of insects! The bat eats 345 mosquitoes, 55 moths, and 219 beetles in one night. Which expression can be used to find the total number of insects?

A bat can eat a lot of insects! The bat eats 345 mosquitoes, 55 moths, and 219 beetles in one night. Which expression can be used to find the total number of insects?

Ms. Bodden has so many books. She had 345 on one shelf and 276 on her second shelf. She decides to sell 288 books. How many books does she have now?

Ms. O'Meara read 3 books last weekend. The first book was 245 pages. The second was 169 pages and the third was 333 pages. How many pages did she read?

Subtract 264 from 5,796.

Use the chart to solve the problem.

There is a 1 in my ones place.

There is an 8 in my tens place.

There is a 5 in my hundreds place.

Which number am I?

852 - 232 =

604 + 207 =