SME
Grade 3 Math
Measure liquid volume and mass
The main lesson, then each kind of problem it solves.
Measure liquid volume and mass
Main lesson
Add and subtract liquid volume
Use this for liters: “3 L in the jug, pour in 4 L. How much now?”
Multiply to find a total mass
Use this for “5 bags of 3 kg each. How heavy in all?”
Compare masses
Use this for “The dog is 23 kg and the cat 5 kg. How much heavier is the dog?”
Choose grams or kilograms
Use this for “Would you measure its mass in grams or kilograms?”
Estimate liquid volume
Use this for “Does it hold more than a liter, less, or about a liter?”