This is the workbook of Volume 9 of the entire set of 12 volumes of word problems solving strategies. If you want to set a solid foundation in math, grasping the techniques on solving word problems is the key to it. This set of books teaches you the techniques and strategies you need to solve word problems. Sample question in this volume: Mom is 4 times as old as Chelsea. If she is 27 years older than Chelsea, how old is each? Reasoning and solution: From "Mom is 4 times as old as Chelsea," the age of Chelsea is the amount in 1 group and the age of Mom's is the amount in 4 groups. The...

This is the answer key of Volume 10 of the entire set of 12 volumes of word problems solving strategies. If you want to set a solid foundation in math, grasping the techniques on solving word problems is the key to it. This set of books teaches you the techniques and strategies you need to solve word problems. Sample question in this volume: In a math contest, among first place, second place, and third place winners, 2/5 of them got first or second places; 9/10 of them got second or third places. What fractional part of the winners got second place? Reasoning and solution: In the question, we...

This is the workbook of Volume 10 of the entire set of 12 volumes of word problems solving strategies. If you want to set a solid foundation in math, grasping the techniques on solving word problems is the key to it. This set of books teaches you the techniques and strategies you need to solve word problems. Sample question in this volume: In a math contest, among first place, second place, and third place winners, 2/5 of them got first or second places; 9/10 of them got second or third places. What fractional part of the winners got second place? Reasoning and solution: In the question, we...

This is the answer key of Volume 9 of the entire set of 12 volumes of word problems solving strategies. If you want to set a solid foundation in math, grasping the techniques on solving word problems is the key to it. This set of books teaches you the techniques and strategies you need to solve word problems. Sample question in this volume: Mom is 4 times as old as Chelsea. If she is 27 years older than Chelsea, how old is each? Reasoning and solution: From "Mom is 4 times as old as Chelsea," the age of Chelsea is the amount in 1 group and the age of Mom's is the amount in 4 groups. The...