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COUNTING TEETH 6-E8
Preparation: (20 minutes)
You will need:
* butcher paper * markers * tape
* construction paper
1. Make a large T-Rex head using the butcher paper. Emphasize the mouth, but do not add teeth. Hang the head on a wall, chalk board or easel.
2. Make 20 - 40 triangular teeth and have tape handy.
Activity:
1. Gather the children around the T-Rex head you have made. Point out that this poor T-Rex has no teeth! Tell them that they will be helping Mr. T-Rex by counting out teeth for him.
2. Select children to come up to add 1, 2, or 3 teeth for Mr. T-Rex. After each addition, count the total teeth in his mouth. Depending on your class, they should be able to count to 12 or higher.
3. To create more space in T-Rexs mouth, intermittently ask children to take 1, 2, or 3 teeth from his mouth (he does lose and break teeth frequently). Again, count the total teeth after each subtraction. Continue until each child has had a chance to add or take teeth from Mr. T-Rex.
Variations/Extensions:
** Write each addition and/or subtraction sentence on chart paper as they add and take away teeth.
** Repeat the activity using a Stegosaurus without plates.
** Duplicate T-Rexs empty mouth on drawing paper and have the children paste or draw a designated number of teeth in his mouth.
** For young children add 3 horns on a Triceratop.
Dinosaurs M1 S9 L2 Math
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