What to do GIVE each child a sheet of 1/4 inch graph
paper.
What's Happening? Find out more about powers of ten and pH. Challenge. Have
a jelly bean counting contest. Fill a large jar with jelly beans
and give a prize to the best guesser. How could you guess how
many jelly beans there are in a jar? Share your ideas in the
pH Exchange. Estimating Large Numbers: What does a million look like?
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sheets of 1/4-inch graph paper
(amount depends on the number you want to illustrate)
2 scissors per group
1 roll clear tape per group
1 roll butcher paper per class
Have students DRAW an X in one square. A
stamp may be used in place of an X. This X represents the number
one (1). PRACTICE counting with one, i.e. "one desk",
one student". WRITE a large one (1) on the left side of
a chalkboard.
Have each child MAKE a strip
of ten X's, CUT it out, and PASTE it on butcher paper. This row
represents the number ten (10). PRACTICE counting with ten, i.e.
"ten fingers", "ten pieces of chalk". WRITE
a zero (0) next to the one (1) on the board to make a ten (10).
Have each group PASTE ten strips
of ten X's together to make a block of100 on a sheet of butcher
paper. This represents the number one hundred (100). PRACTICE
counting with one hundred. WRITE a zero (0) next to the ten (10)
on the board to make one hundred (100).
Have the students PRACTICE by
looking for one, ten, and a hundred in the world around them.
EXAMPLE: About how many toes are in the classroom? Ten toes on
ten children makes a hundred toes. If desired, this activity
could be extended to a thousand, or even to a million.