I hope you enjoyed answering the questions last week! Here are the answers to Give Me a Sign.
Step 1: The billboard is the bigger number. 20 feet is wider than 40 feet.
Step 2: 5 more of those signs.
Step 3: 42 more feet.
Step 5: 9 x 12 = 108 inches, or 9 feet!
Step 6: The billboard would be wider if leaned up against the house – 48 feet vs. 39 feet (15+6+18).
Step 8: It’s 25 by 16 feet. We know that the width and height have to add to 41, since those two sides will use up half the lights. Those same two numbers also multiply out to 400. You can use trial and error to test the factors of 400 numbers: 40 by 10 doesn't work, nor does 20 by 20, but 16 by 25 does.
Have you seen any really BIG road signs this summer?
Send your photos to Mrs. Milton at summermath@norwood.k12.ma.us
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