Addition and Subtraction Strip Diagrams and Word Problems

What operation does this strip diagram represent?

• Addition

• Subtraction

• Multiplication

What operation does this strip diagram represent?

• Addition

• Subtraction

• Multiplication

What operation would be used to solve this word problem: Mr. Janne has 30 students in his homeroom class. He also has 22 students in his second class. How many students does Mr. Janne have in both classes combined?

• Addition

• Subtraction

• A

• B

• C

Pick the correct answer!

Which equation best matches the strip diagram?

• 73 - 55 = K

• 55 + 73 = K

• K - 73 = 73

867 books were in Mrs. McFarland's school library. 322 books were checked out in the morning. Then 131 more books were check out in the afternoon. How many books are still in the library?

• 545

• 414

• 736

• 453

Juan has 440 blocks. Kristina has 280 more blocks than Juan has. The strip diagrams show how to find how many blocks they have all together.

What does 720 in the strip diagram represent?

• How many blocks Kristina has?

• How many blocks Juan has

• How many blocks they have all together

• How many more blocks Jonas has

What operation would be used to solve this word problem:

Mrs. Clark has 50 prizes in her treasure box. Last week, 10 of those prizes got picked and taken out by students. How many treasure box prizes does Mrs. Clark have left in her treasure box?

• Addition

• Subtraction

What operation does this strip diagram represent?

• Addition

• Subtraction

• Multiplication