K – CO – RT6

You want to put the counters from the math center into two bags. Your goal is to have one bag a lot heavier than the other bag. Explain your thinking as you work towards your goal.

K – CO – RT7

The look of objects can be misleading. Find two things in your classroom that look like they have the same mass but are actually very different. What are the two items? Can you explain the difference in mass?

K – CO – RT8

The look of objects can be misleading. Find two objects in your classroom that look like they can hold the same amount but are actually very different. What are the two items? Can you explain the difference in...

K – CO – WP8

There were new pencils and new crayons on the teacher’s desk. Students were curious to see which was longer: a new pencil or a new crayon. How can you help them figure it out?

K – CO – OE10

Three objects have different weights. Two of the three objects are really light. What could the three objects be?

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