I credit this idea to something similar in The Creative Teacher
<------------------------------------ One of the best books for Classroom Creativity
One of the great mysteries of the math teacher is how to get your students to show their steps! Here is something that might help. Have them create an Equation Sandwich!
First you need bread(2), mustard, tomatoes, mayonnaise, ham, cheese and lettuce like so
(bread(2), mustard, tomatoes, mayonnaise, ham, cheese and lettuce) |
Each piece represents a step of your algebra problem
2x + 3 + 6x - (-1) = 20 (Bread)
(2x + 6x) + (3 + 1) = 20 (Mustard)
8x + 4 = 20 (Tomatos)
8x + 4 - 4 = 20 - 4 = (Mayo)
8x = 16 = 16 (Cheese)
8x/8 = 16/8 (Ham)
x = 2 (Lettuce)
Showing Work (Bread)
(You Get An Equation Sandwich) |
(Eat The Knowledge!) |
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