![]() One at a time, students get to ask a yes/no question about the gumball you chose. Gain familiarity with factors and multiples (4.OA.B.4)Ģ0 Questions: Choose one of the gumballs.The number 1 is unique because it's a factor of every number, so it is not considered prime.) ![]() Why are all the prime gumballs black? And what’s special about 1? (Answer: By coloring all multiples of a number, you color every composite number, leaving only the original prime number black. Repeat this process with every number left uncolored: 5, 7, 11, and so on until there are no more gumballs left to color. Then have them color 3 black, then all remaining multiples of 3 a different color. Have students color the number 2 black, then all multiples of 2 one color. Prime Project: Turn the gumball machine into a prime project. Reason abstractly about number systems (Math Practice MP2).What equations can they make based on how they colored the gumballs? (For example, if they chose clusters of 20, the equation could be 20 + 20 + 20 + 20 + 20 = 100.)īase Exploration: Some students may be interested in how numbers don’t actually have to be in base 10! We can imagine a world in which the digits “stop” at 8 instead of 9, so counting would look like “…5, 6, 7, 8, 10, 11, 12, 13….” Or we can imagine a world in which there’s another digit after 9 that we could label A: “…5, 6, 7, 8, 9, A, 10, 11, 12, 13….” If you’re interested in exploring this part of mathematics with students, show them what it means to be in a base other than 10, then have them count 100 gumballs in a different base. Then have them color each cluster the same color. We've got worksheets and activities, whether you want the gumballs pre-filled with numbers or not! 100 Gumball Machine Without NumbersĬount to 100: Are your students still mastering counting? Give them a feel for just how big 100 is-in gumball form! Let them pick any gumball to start with a label it “1.” Then, have them label every gumball a different number until they get to “100.” Can they do it so that every gumball is touching the next one?Ĭluster Color: Have students group all of the gumballs into clusters of 2, 4, 5, 10, 20, 25, or 50. Use our free 100th Day gumball machine templates and the activities below to celebrate. With gumballs, not only can you help students visualize 100, but you can also do it in color and with candy. ![]() And after 100 days of school, you can celebrate how much you’ve accomplished-with a 100th Day of School gumball machine printable! 100th Day Gumball Machine Project If you do 100 repetitions, that’s a major exercise. The number 100 is a big number, for sure. The Center for Model Schools (formerly ICLE) ICLE (International Center for Leadership in Education)Ĭustomer Service & Technical Support Portal Into Algebra 1, Geometry, Algebra 2, 8-12 Science & Engineering Leveled Readers, K-5
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