Number Sense Blog


    Word Problem Wednesday: Casting Light On Elementary School Math

    By Mathnasium | Added May 1, 2019

    Practice elementary math skills such as addition, subtraction, fractions, multiplication and division with this word problem challenge from Mathnasium Math Learning Centers.

    Q: What’s bigger than you but doesn’t weigh anything?
    A: Your shadow!

    We don’t mean to be shady, but lean in and listen up, because we have a perfect opportunity for students to practice their elementary math skills! Today’s word problem challenge requires you to dust off your knowledge of addition, subtraction, fractions, multiplication and division.

    It’s not just a matter of black and white, but we have faith in you. Check out the question below and take your time working it out. Be sure to check back tomorrow for the solution!

    Question: Finn is 5 feet tall and casts a 15-foot shadow. Jake is 2 ½ feet tall. If Jake stands on top of Finn’s head, how tall will their shadow be?

     

    Solution: Since Finn’s shadow is 15 feet, we know that the shadow is 15 ÷ 5 = 3 times his height. If Jake stands on his head, they are 5 + 2 ½ = 7 ½ feet tall altogether. So, their shadow will be 7 ½ × 3 = 22 ½ feet tall.



    (Image above found on MaxPixel.)

     

     

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