So little freshwater on the water planet

In Grade 3 we were shocked this week to learn how little freshwater there is on planet Earth. We found out that 97% of the water on Earth is salty. Understanding percentages and proportions is pretty new for us so we are learning quite a lot of Maths in this Inquiry...

How heavy is that?

After having trouble estimating the weight of our new iPads and being unsure which unit to measure in, we have been learning about grams and kilograms. We had to admit our first estimates were pretty crazy. We learned to find the weight recorded on grocery items. Then...