Whole Number Operations
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Examples, solutions, and free lessons on how to solve whole number word problems using the math models (tape diagrams/block models) taught in
Singapore Math: Primary 5 - Whole Numbers, Word Problem Q9
Singapore model diagrams to help you understand and solve math word problems on whole numbers
Example: Qi has 2 times as many crayons as Maria. After borrowing some crayons from Mari, Qi now has 5 times as many crayons as Maria. If they have 150 crayons altogether, how many crayons had Maria at first?
Singapore Math: Primary 5 - Whole Numbers, Word Problem Q10
Find out how to understand and solve word problems on whole numbers using models.
Example: Tina had 3 times as many stickers as Jill while Jack had 4 times as many stickers as Jill. After Tina gave 10 stickers away and Jack gave 30 stickers ti Jill, they each had the same number of stickers. How many stickers had Jack at first?
Singapore Math: Primary 5 - Whole Numbers, Word Problem Q11
Watch this video and learn how to approach math word problems using models.
Example: Yana and Zach have an income of $7500 together. If Zach has an income of $1500, how many times as much income as Zach does Yana have?
Singapore Math: Primary 5 - Whole Numbers, Word Problem Q12
If math word problems give you a fright then model method is the approach you should take. Learn how to solve maths word problems in this video
Example: A shopkeeper bought some key rings from a supplier. He threw away 15 broken key rings and sold the rest at 5 for $7. If he received $27, how many key rings had he bought from the supplier?
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