Brian has a lot of puzzles. His family must love working on them.
What do you wonder about his puzzles? What do you notice?
Make an educated guess, about how many pieces are in all of these puzzles? Can you think of any tricks to add up the pieces in these boxes? Do the math!
The activity: Puzzles.pdf
CCSS: 2.OA, 2.NBT, 3.MD, 5.NBT, 6.NS
For members we have an editable docx of the activity; a power point presentation of the activity; and solutions.