Here are some examples of addition 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.
How to solve addition and subtraction word problems using tape diagrams?
What is a tape diagram?
A tape diagram is a drawing that looks like a segment of tape, used to illustrate number relationships. Also known as strip diagrams, bar model, fraction strip, or length model.
Example:
How to solve addition and subtraction word problems?
Singapore Math Addition
Examples:
(1) Sydney has 7 Sponge Bob stickers. She also has 8 scratch-and-sniff stickers. How many stickers does Sydney have altogether?
(2) Micah had 4 more Halloween treats than Katelyn. If Katelyn had 12 treats, how many did they have altogether?
Model: Addition and Subtraction
Examples:
(1) Sara received 73 votes in the school election. Ben received 25 fewer votes than Sara. How many students voted?
First: Find how many students voted for Ben.
Next: Find the total number of votes.
(2) What if there were 3 students in another election and the total number of voted was the same? What would the bar model for the total number of votes look like? How many votes might each student get?
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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