Warm Up with Fact Families: A fun math worksheet where students use numbers in hot chocolate mugs to create addition and subtraction fact families.
A worksheet titled "Warm Up with Fact Families" featuring four hot chocolate mugs, each with marshmallows displaying numbers. Students are instructed to use the numbers to create fact families and write four number sentences on each mug. The worksheet is labeled as Lesson 3.16 and includes a playful design with cartoon mugs.