The document uses a bar model to solve a word problem about Johnny having 230 pieces of candy and David having 70 fewer pieces. It shows that if Johnny has 230 pieces total, and 70 more than David, then by subtracting 70 from Johnny's amount, we find that David must have 160 pieces of candy. The bar model and number bonds illustrate that 230 - 70 = 160, so David has 160 pieces of candy.

1. Using Bar Models to Find Solutions to
Comparison Word Problems Third
Grade

2. Johnny has 230 pieces of
candy. He has 70 more
pieces than David. How
many pieces of candy
does David have?

3. Johnny has 230 pieces of candy. He has 70 more pieces than David. How many pieces of candy
does David have?
How many pieces of candy does Johnny
Have?

4. Johnny has 230 pieces of candy. He has 70 more pieces than David. How many pieces of candy
does David have?
How many pieces of candy does David have?
Johnny has 70 More pieces than David…

5. Johnny has 230 pieces of candy. He has 70 more pieces than David. How
many pieces of candy does David have?
230 - 70 = ?
If you look at how many pieces of candy
Johnny has, you know he has 70 more
pieces than David. So if you subtract the
70 extra pieces from Johnny’s total, you
will find out how many pieces David has.

6. Use Number Bonds to Find Your Answer
230 - 70
70
130 100 30 40
130 – 30 = 100
100 - 40 = 60
100 + 60 = 160
230-70=160