Word Problem Wednesday – Jason and Louis

This month’s Word Problem Wednesday problem comes from Primary Mathematics Challenging Word Problems 3.

Jason and Louis picked up a total of 30 cans. For every 2 cans that Jason picked up, Louis picked up 3 cans. How many cans did each boy pick up?

Submit your solutions by the end of the month!


Last month’s problem was from Dimensions Math 6A:

 

Here’s a solution from Reader Shirley Davis:

How did you do?

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Word Problem Wednesday – Alice, Betty, & Cassie

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

Our problem this month comes courtesy of a 5th grade teacher who was excited that for the first time, her students understood and easily modeled this problem from the Teacher’s Guide for Primary Mathematics US Edition 5A.

Alice, Betty, and Cassie have $70 altogether. The ratio of Alice’s money to Betty’s money is 1 : 3. Cassie has $10 more than Alice. What is the ratio of Alice’s money to Betty’s money to Cassie’s money?

Submit your solutions by the end of the month!


The last problem was taken from the Dimensions Math 3A Textbook. (Click to learn more about this recently released curriculum):

Shirley Davis shared her algebraic bar model solution:

 

How did you do?

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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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