Word Problem Wednesday – Bob’s Bikes

Word Problem Wednesday was such a hit, we’re going to continue throughout the year with one problem a month.

This problem comes from an oldie, but goodie: i-Excel Heuristic and Model Approach Primary 5 by Li Fanglan published by FAN-Math

Bob’s Bikes sold 96 bikes during the week and 1/4  of what was left on the weekend. After that, Bob still had 1/2 of his bikes left. How many bikes did Bob have at first?

Submit your solutions and we’ll post all interesting strategies.


The previous problem came from Dimensions Math 6A by Bill Jackson and Kow-Cheong Yan published in 2016 by Star Publishing Pte Ltd and Singapore Math Inc:

Esther has 3/5 as many e-books as Tim. After Tim deleted 18 e-books, they both had the same number of e-books on their tablets. How many e-books did Tim have at the start?

 

Dedicated reader, Shirley Davis submitted the following solution:

 

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Word Problem Wednesday – e-books

Word Problem Wednesday was such a hit, we’re going to continue through the year with one problem a month.

This problem comes from Dimensions Math 6A by Bill Jackson and Kow-Cheong Yan published in 2016 by Star Publishing Pte Ltd and Singapore Math Inc: 

Esther has 3/5 as many e-books as Tim. After Tim deleted 18 e-books, they both had the same number of e-books on their tablets. How many e-books did Tim have at the start?

Submit your solutions and we’ll post all interesting strategies.


The previous problem came from Problem Solving Beyond the Classroom Primary 3 by Bernice Lau Pui Wah, published in 2013 by Marshall Cavendish International (Singapore) Private Limited. published in 2004 by SingaporeMath.com Inc:

Tank A has a capacity of 1 l 820 ml. Tank B has a capacity of 860 ml less than that of Tank A but twice as much as Tank C. Find the Capacity of Tank C.

How did you do?

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Word Problem Wednesday – Tanks

Word Problem Wednesday was such a hit, we’re going to continue through the year!

This problem comes from Problem Solving Beyond the Classroom Primary 3 by Bernice Lau Pui Wah, published in 2013 by Marshall Cavendish International (Singapore) Private Limited. 

Tank A has a capacity of 1 l 820 ml. Tank B has a capacity of 860 ml less than that of Tank A but twice as much as Tank C. Find the Capacity of Tank C.

Submit your solutions and we’ll post all interesting strategies.


Last month’s problem came from Primary Mathematics Intensive Practice 6A published in 2004 by SingaporeMath.com Inc.

There were 75% more adult passengers than children on a bus.  After 1/2 of the children had gotten off at a bus stop, there were _______% more adults than children left on the bus.

How did you do?

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Word Problem Wednesday – Cards

Summer’s here, but you’re missing your math? Don’t despair – we’ve got you covered. Check the site each week for one whopper of a word problem that’s sure to challenge!


Our final problem of the summer comes from Primary Mathematics Challenging Word Problems 6 by Joseph D. Lee, published in 2006 by Panpac Education Private Limited. 

The number of Jason’s cards and the number of Frederick’s cards are in the ratio of 5:8. The number of Frederick’s cards and the number of Steven’s cards are in the ratio of 4:3. If Jason has 18 fewer cards than Frederick, how many cards does Steven have?

Submit your solutions and we’ll post all interesting strategies next week.


Last week’s problem and solution:

Mr. Seow borrowed a certain amount from a bank, which charged him an interest of 3.5% per year. If he owed the bank $4347 at the end of the year, how much did he borrow from the bank?

Whew! How did you do?

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Word Problem Wednesday – Mr. Seow

Summer’s here, but you’re missing your math? Don’t despair – we’ve got you covered. Check the site each week for one whopper of a word problem that’s sure to challenge!


This week’s problem comes from Visible Thinking in Mathematics 5B by Ammiel Wan and Chelsia Loh, published in 2011 by Marshall Cavendish International (Singapore) Private Limited. 

Mr. Seow borrowed a certain amount from a bank, which charged him an interest of 3.5% per year. If he owed the bank $4347 at the end of the year, how much did he borrow from the bank?

Submit your solutions and we’ll post all interesting strategies next week.


Last week’s problem and solution:

Cynthia had $16.75. She withdrew more cash from an ATM before shopping. After spending $17.50 on a box of cookies and $23.40 on a box of chocolates, she had $35.85 left. How much money did she withdraw from the ATM?

Whew! How did you do?

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