The Steele GT Program is rooted in the belief that students learn, explore and remain curious with hands-on projects and real-world challenges. Our fourth grade math group* recently combined their knowledge of the standards of mathematical practice with a comparison study of the Earth's physical features with Mars'. We started by budgeting for the Insight Mars lander. This meant the students used their multiplication strategies (i.e. partial products) to multiply part costs by the number of units needed for the mission and relied on their knowledge of prime and composite numbers to estimate divisors. Attention to precision was essential! Students were elated to see their budget become a simulated reality when they could operate an Insight Lander. Next, students utilized multiples and factors to design a seismograph! The group learned all about the physical features with a key take away about the layers of the Earth/Mars and their role in shifting physical features on the surface- like Earthquakes and Marsquakes. Each student left with some challenging problem-solving experience and their own boarding pass ready for our Mission to Mars! *Standards: Analyze and interpret data from maps to describe patterns of Earth’s features. (4-ESS2-2). Generate and compare multiple solutions to reduce the impacts of natural Earth processes on humans. (4-ESS3-2) Find all factor pairs for a whole number in the range 11–100; 100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 11–100100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 11–100; 100 is prime or composite. Standards of Mathematical Practice: Attend to precision. Look for and express regularity in repeated reasoning.
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