Number Sense Blog


    Word Problem Wednesday: The Math of Nest Building

    By Mathnasium | Added Oct 31, 2018

    Practice your elementary school math skills such as weights and measures, addition, subtraction, and fractions as you figure out how many robins one nest can hold in this word problem challenge.

    Q: When does a teacher carry birdseed?
    A: When there is a parrot-teacher conference!

    This week’s word problem is tweet-tastic! Practice your elementary school math skills such as weights and measures, addition, subtraction, and fractions as you figure out how many robins one nest can hold. Take a step back, get a bird’s-eye view, then have some math fun figuring out the solution! When you think you have it, look below to check your solution against ours.

    Challenge: A robin builds its nest out of 1/8 of a pound of grass, 1/8 of a pound of twigs, and 1/8 of a pound of mud. The robin weighs 3/16 of a pound. Its clutch of 4 eggs weighs an ounce. How many ounces does the nest weigh with all of its occupants inside?

     

    Solution: A pound is 16 ounces. So, an ounce is 1/16 of a pound. The nest weighs 1/8 + 1/8 + 1/8 = 3/8 = 6/16 of a pound, or 6 ounces. The robin weighs 3/16 of a pound, or 3 ounces. The 4 eggs weigh another ounce. So, the nest and all its occupants weigh a total of 6 + 3 + 1 = 10 ounces.

     

     

     

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