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Spider
Day 

Math Lesson
for Spider Day
Objective:
The students will use manipulatives
to complete addition and subtraction problems involving
the number 8.

Materials

Procedure

Give
each student, or pair of students, a piece of clay and
8 toothpicks.

Discuss
how spiders have 8 legs.

Have
the students roll their clay into bodies for the
spiders. They may want to roll 2 pieces  one
for the head and one for the body.

The
toothpicks will serve as the legs. The teacher
may give the students age appropriate math problems.
The students should then
use the legs to figure out the answers. For
example, "Your spiders only have 4 legs, then
they grow 4 more. How many do they have
altogether?" "Your spiders have 8 legs, 2
fell off. How many are left?"
Older students may work with adding 3 numbers
together, or even multiplying by 8 by joining their
spiders with other students'.

The
Spider Math
Worksheet may be used to record some of the
problems the students are given, or for recording
their own problems.

Other
Lesson Ideas

Have
a measurement lesson in which comparisons are made
between spiders which are as small as pencil points, all the way
up to tarantulas which can have a 10" leg span.
The students may also use 10" spans to measure
distances. This would be a good lesson in
counting by 10's.


