Here are some examples of additon and subtraction word problems. The videos will illustrate how to use the block diagrams (Singapore Math) method to solve word problems. Go to Math Word Problems for more examples.

Singapore Math - Addition and Subtraction with Two Steps
This video shows how to use Thinking Blocks to model and solve an addition or subtraction word problem involving two changes

Singapore Math - Addition and Subtraction with Two Parts
This video shows how to use Thinking Blocks to model and solve a part whole addition word problem involving two parts

Singapore Math - Addition and Subtraction with Three Parts
This video shows how to use Thinking Blocks to model and solve a part whole addition word problem involving three parts.

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