Unit 4 Measurement Worksheet Page 18
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48L E S S O N
Estimating and Measuring
with Centimetres
This crayon is longer than 6 cm but shorter than 7 cm.
The crayon is about 6 cm long.
You will need a 30-cm ruler or a measuring tape.
➤ Estimate, and record, the length of
• your hand
• your thumb
• your arm
• your foot
➤ Measure, and record, the length of each body part.
How close were your estimates?
Here are 2 ways to record your work.
• Draw and label a picture.
• Make a list.
T anya’s arm is longer than the ruler.
I measure 30 cm, hold my spot, and
add on the next measurement.
L
F
height.
149
Develop referents for centimetre to estimate and measure length, width, and
ESSON
OCUS
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