Measure Your Hand
1 / 8 Measure your hand. How long is it?
2 / 8 If you know the length of your hand, you can estimate the length of other objects.
3 / 8 A leopard slug is about the same size as your hand. About how long is it?
4 / 8 A hamster is a little shorter than your hand. About how long is it?
5 / 8 The largest praying mantis is a little longer than your hand. About how long is it?
Look around your classroom. What is about the same size as your hand? 6 / 8
Estimate the length. 7 / 8
End Estimate the length. Then measure it. Line up the end of the object with the zero mark on your ruler. 8 / 8