This video goes over how to add and subtract multiples of ten to or from a 3-digit number. [9:54]

Teaches strategies for learning the multiplication table for 9. Students are then presented with a multiplication facts drill where they practice along to the video. [11:06]

This video demonstrates how to use a kitchen scale to measure the mass of common items found at home in grams and kilograms. [7:07] CCSS.Math.Content.3.MD.A.2 Measure and estimate liquid volumes and masses of objects using standard units