Right before children enter Middle School (around the age of 11 or 12), they enter a critical developmental stage known as Piaget’s fourth and final stage of cognitive development. It’s at this stage that children demonstrate marked growth in a number of areas, ranging from making hypotheses and inferences to thinking abstractly and using advanced reasoning skills. In line with this crucial phase of a child’s development, Middle School Math curricula are designed to stretch the bounds of adolescent thinking while also helping them to establish new skills and sound mathematical habits. Insidermonkey experts made a list of 10 math problem-solving activities for middle school.
We have picked one activity from their list, Missing Mangoes. One night a hungry King couldn’t sleep. He went down to the kitchen, where he found a crate full of mangoes. To satisfy his hunger, he took 1/6 of the mangoes. Later that same night, the Queen came down and found the same crate of mangoes. She took 1/5 of what the King had left and went back to bed satisfied. Still later, the Prince woke up, went to the kitchen, and ate one fourth of the remaining mangoes. His brother, then went to the kitchen and ate 1/3 of what was then left. Finally, the princess ate 1/2 of what remained, leaving only three mangoes for the servants. You can also check our list of Best Problem Solving Activities For Middle School.
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