Students will learn how to factor the common factor out of a pair of numbers. For example, 36 + 8 = 4(9 + 2).
Factor with the distributive property by Khan Academy
Factor with the distributive property (no variables) by Khan Academy
Next, give your students this challenge:
2018 Math Kangaroo Levels 3-4 Problem #19 by STEM4all
Conclude by leading this investigation:
Bracket – Number Trivia Game
6.NS.B.4: Find the greatest common factor of two whole numbers less than or equal to 100 and the least common multiple of two whole numbers less than or equal to 12. Use the distributive property to express a sum of two whole numbers 1-100 with a common factor as a multiple of a sum of two whole numbers with no common factor. For example, express 36 + 8 as 4 (9 + 2).