Basic Math

Part 1: Write the semantic equation for each word problem. Label the problem structure.

A. Jo had 10 feathers. The wind blew away some of his feathers. Now he only has 7 feathers. How many feathers did the wind blow away?

B. Jo had 10 feathers. The wind blew away 3 feathers. How many feathers does Jo have now?

C. Jo had some feathers. He found 3 more feathers. Now he has 10 feathers. How many feathers did Jo have to start with?

D. Jo had some feathers. The wind blew away 3 feathers. Now he only has 7 feathers. How many feathers did he have to start with?

E. Jo had 7 feathers. He found 3 more feathers. How many feathers does Jo have now?

F. Jo had 7 feathers. He found some more feathers. Now he has 10 feathers. How many feathers did Jo find?

Answer Bank

7 + __ = 10

7 + 3 = __

__ - 3 = 7

10 - __ = 7

10 – 3 = __

__ + 3 = 10

Part 2: Match each bar diagram with the word problem it represents.

blue 2 red
red blue		blue red

A. Taylor has 2 blue cars and 4 red cars. How many cars does he have in all?

B. Taylor has 2 blue cars and some red cars. He had 6 cars in all. How many red cars does Taylor have?

C. Taylor has 6 cars. Some are blue and the rest are red. How many red and how many blue cars does Taylor have?

D. Taylor has 2 blue cars and 4 red cars. How many more red cars than blue cars does Taylor have?

E. Taylor has 4 red cars. He has 2 more red cars than blue cars. How many blue cars does Taylor have?

F. Taylor has 2 blue cars. He has 2 less blue cars than red cars. How many red cars does Taylor have?