Addition Word Problems (1-step word problems)
These lessons look at some examples and solutions of addition word problems that can be solved in one step. We will illustrate how block diagrams (used in Singapore Math) can be used to help you to visualize the addition word problems in terms of the information given and the data that needs to be found.
Related Pages
Addition & Subtraction Word
2-Step Word Problems and Bar Models
More Word Problems
More Singapore Math Lessons
Example:
There are 1030 books in the library. We bought 67 more books for the library. How many books are
there in the library now?
Solution:
1030 + 67 = 1097
There are 1097 books in the library now.
Example:
1085 girls and 531 boys took part in an art competition. How many students took part in the
competition altogether?
Solution:
1085 + 531 = 1616
1616 students took part in the competition altogether.
Example:
After giving $1085 to his wife, Simon had $746 left. How money had he at first?
Solution:
1085 + 746 = 1831
Simon had $1831 at first.
Example:
Margret sold 1392 meatballs on Friday. She sold 1940 more meatballs on Saturday than on Friday.
How many meatballs did she sell on Saturday?
Solution:
1392 + 1940 = 3332
She sold 3332 meatballs on Saturday.
A visual way to solve world problems using bar modeling
This type of word problem uses the part-whole model. Because the whole is missing, this is an addition problem.
Example:
Mr. Gray sold 64 drinks in the morning. Mr. Frank sold 25 drinks at night. How many drinks did they
sell altogether?
How to solve addition problem using part-whole model?
Example:
Maya had some stamps. She gave 7 stamps to her younger brothers. Maya then had 14 stamps. How many
stamps did Maya have at first?
Examples of 4th Grade word problems and bar models
Example:
Dad bought two hammers. One cost $18 and the other costs $28 more. What was his total bill?
Model Drawing - addition word problems
Example:
A girl jumps 42cm for her first jump in a high jump competition. Her second jump is 46cm.
How high did she jump in total?
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