How Many Buttons?
You will need the objects you see in this picture.
Don’t have any buttons?
Choose another large collection like beads or counters.
Fill a box with your collection.
Part 1
➤ Look at the photo. What tools can you use to estimate the
number of objects?
➤ Find as many ways to estimate as you can. Use words, numbers,
or pictures to explain your plans.
F
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Performance Assessment
OCUS