Khan Academy
Khan Academy: Estimating Mass
In this exercise, students practice estimating mass. Students receive immediate feedback and have the opportunity to get step-by-step hints and try questions repeatedly. CCSS.Math.Content.3.MD.A.2 Measure and estimate liquid volumes and...
Khan Academy
Khan Academy: Word Problems With Mass
In this exercise, students practice arithmetic word problems with mass. Students receive immediate feedback and have the opportunity to get hints, watch a tutorial video, and try questions repeatedly. CCSS.Math.Content.3.MD.A.2 Measure...
National Council of Teachers of Mathematics
Nctm: Figure This: Drip Drops
Figure out how much water you waste in a week in this exploration using your problem solving, measurement, and estimation skills. This activity is from the NCTM Math Challenges for Families series.
PBS
Nova Online: How Many Pearls? A Weight & Volume Game
This interactive game has students apply skills in estimation, measurement, and basic addition using pearls. Students are asked to estimate the number of pearls in a treasure chest by making predictions and using number sense. The skills...
Khan Academy
Khan Academy: Arithmetic Word Problems With Volume
In this exercise, students practice arithmetic word problems with volume. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly. CCSS.Math.Content.3.MD.A.2 Measure and estimate liquid...