Benchmark buddies
This everyday object is about 1cm wide
your finger
How many mm are in 1cm?
10
How many cm are in a meter?
100cm
what is 100cm in meters?
1m
I want to measure a pencil
ruler
What object is about 1mm thick
the side of a dime
a paperclip is about 30mm long. How many centimeters is that?
3cm
If a book is 23cm long, what is it in mm?
230mm
what is 320mm in cm?
32
I want to measure the length of a desk
Meter stick
How long might it take me to walk 1km down the road?
10 minutes
if a glue stick is 60mm long, how long is it in cm?
a students hand is 16cm and 6mm long. Is it closer to 17cm or 15cm?
17cm
What is 95cm in mm?
950mm
I want to measure the width of a book
A ruler
What animal is around 1 meter from head to tail?
a medium sized dog
1.5 cm
a picture frame is 26cm on one side and 300mm on the other side. Which side is longer?
300mm = 30cm
if I walked 5km, how many meters did I walk?
5000
I want to measure the hallway
km measuring tape