Problem-Solving Skills: The Three Little Pigs Shopping Mystery
In this math problem, the three little pigs went shopping and spent different amounts on bundles of straw, stacks of wood, and piles of bricks. By using bar modeling and a step-by-step approach, the cost of each item was calculated. Through the process of breaking down and comparing the spending of each pig, a solution was found, showing how to tackle complex mathematical problems in a clear and structured manner.
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Problem solving skills -The three little pigs- Ken Stimpson Community School Maths department
Do Now The three little pigs went shopping. The first little pig spent 23 on a bundle of straw and a stack of wood. The second little pig spent 35 on a stack of wood and a pile of bricks. The third little pig spent 42 on a bundle of straw and a pile of bricks. How much did each item cost (assuming the bundles, stacks and piles were the same size for each little pig)? Can you represent this using bar modelling? 1
Problem solving skills The technique is more simple than you think 1. DO NOT FREAK OUT 2. Deal with each sentence one at a time. Draw a bar to represent what each sentence actually means. eg The first little pig spent 23 on a bundle of straw and a stack of wood. Straw Wood 3. Then do this for the other 2 sentences. The second little pig spent 35 on a stack of wood and a pile of bricks. 23 35 Wood Brick The third little pig spent 42 on a bundle of straw and a pile of bricks. 42 Brick Straw 4. Now compare these bars. You can see that if added together you will have 2 of each = 100 Wood Brick Straw Brick Straw Wood 5. 2 (straw + wood + brick) = 100 straw + wood + brick = 50 6.
The three little pigs = 50 Straw Wood Brick How does this help solve the problem? 1. I know: = 23 Straw Wood = 50 23 = 27 Therefore Brick Therefore = 35 - 27 = 8 Wood 2. Wood Brick = 23 - 8 = 15 Straw 3. Is there more than one way to solve this? Can you find it? Yes, it is! 2
