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- In fourth grade, kids need to gain familiarity with factors and multiples. This set of activities asks students to conceptualize with arrays, find all factor pairs for the numbers 1-100, and determine whether a number is prime or composite. Number of the Day pages provide ongoing practice.This resou$9.00$11.00Save $2.00
Prime factorization is the key to finding factors. You can teach it through factor trees or the ladder method - - - or both! This free resource includes a two-page factor tree worksheet and a two-page ladder method worksheet.
To support classroom, hybrid, and distance learning, student pages are available as a printable PDF and interactive Easel Activities.
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I'm committed to continual improvement. This resource was updated and enhanced on January 5, 2021.