Whole Number Operations
Next set of video math lessons in this series.
Examples, solutions, and free lessons on how to solve whole number word problems using the math models (tape diagrams/block models) taught in
Singapore Maths: Primary 5 - Whole Numbers, Word Problem Q1
Learn how to use models (tape diagrams) to understand and solve word problems on whole numbers.
Example: A T-shirt costs $19 and a skirt costs 3 times as much. If Annie is left with $24 after paying for the T-shirt and the skirt, how much money had she at first?
Singapore Math: Primary 5 - Whole Numbers, Word Problem Q2
How to use models to understand and solve word problems on whole numbers.
Example: Ben had $15. After paying for 3 cards and some stamps, he had $3 left. If each card costs $2 and each stamp costs $1, find the number of stamps he bought.
Singapore Math: Primary 5 - Whole Numbers, Word Problem Q3
Understand and solve word problems on whole numbers using the popular Singapore model method
Charlie bought a board game at $7 off. He also bought a water shooter and paid $41 altogether. What was the original price of the board game if, before discount, it costs 5 times as much as the water shooter?
Singapore Maths: Primary 5 - Whole Numbers, Word Problem Q4
Learn how to use models to understand and solve word problems on whole numbers.
Example: Dave and Eli bought some DVDs and paid $96 altogether. If Eli bought 10 more DVDs than Dave and paid $20 more than him, find the number of DVDs that Dave bought.
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