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Whole Number Operations

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#### Singapore Math: Primary 5 - Whole Numbers, Word Problem Q17

Math word problems are easier than you think. Watch this video to learn how to use models to understand and solve maths word problems.

Example: A mom is 3 times as old as her son. 10 years later the mom will 2 times as old as the son. How old is the mom now?

#### Singapore Math: Primary 5 - Whole Numbers, Word Problem Q18

How to use models to solve word problems.

Example: Joe paid $10000 upfront for a truck priced at $96400. He will pay the remaining sum of money by monthly installments of $600 each. How many years will it take Joe to pay off all the installments?
#### Singapore Maths: Primary 5 - Whole Numbers, Word Problem Q19

Understand and solve math word problems on whole numbers using models

Example: A floor measuring 700 cm by 500 cm is being tiled using 100-cm^{2} tiles. If each 100 cm^{2} tile costs $2, how much will it cost to tile the floor?

#### Singapore Math: Primary 5 - Whole Numbers, Word Problem Q20

Word problems are easy! Don't think so? Watch this video and you will start believing so.

Example: The following are the rates that a cab charges. How much do you pay for a 4 km ride?

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

Whole Number Operations

Previous set of video math lessons in this series.

Next set of video math lessons in this series.

Free video lessons on how to solve whole number word problems using the math models (tape diagrams/block models) taught in Singapore Math.

Example: A mom is 3 times as old as her son. 10 years later the mom will 2 times as old as the son. How old is the mom now?

Example: Joe paid $10000 upfront for a truck priced at $96400. He will pay the remaining sum of money by monthly installments of $600 each. How many years will it take Joe to pay off all the installments?

Example: A floor measuring 700 cm by 500 cm is being tiled using 100-cm

Example: The following are the rates that a cab charges. How much do you pay for a 4 km ride?

Previous | Next set of videos in this series

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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