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Three Little PigsAfter reading the Three Little Pigs, we discuss walls for houses. The challenge will be to build a wall strong enough to withstand three blows from the wolf. However, the wall must withstand three swings from a very strong wolf. I take a 100 gram weight and attach a string and an oaktag picture of a wolf to it. I demonstrate my three swings and off they go. After a set amount of time (I have limited time with each class), I try out the groups efforts. After all have met the attack wolf, we try to figure out why some walls were stronger. They discover that interlocking the LEGO® bricks is better than building tall single stacks.
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Multiplication with LEGO DactaUsing LEGO bricks to explore multiplication facts makes it a quick, easy way to see what these statements really mean. My fourth grade students use flat plates to write multiplication and division problems. By counting the studs on the plates we can arrange them to fit a multiplication statement. Eight studs by two studs becomes 8x2.
It can also be rearranged to read 2 x 8 by just changing the position of the plate.
LEGO plates are also an easy way to see how square numbers get their name. A two by two plate shows factors for a square number because they can be arranged to make a square, and four becomes a square number.
Students love to see what other "square" numbers they can build with their LEGO bricks. They can use different combinations of plates to explore all the factors. They discover that any factor times itself will make a square number. LEGO bricks are a great manipulative for discovering mathematical concepts.
Peace Dale Elementary School Peace Dale, RI |
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