Draw a line segment for each length.
- 2 cm 5. 8 cm 6. 12 cm 7. 10 cm 8. 2 dm
- 16 cm 10. 1 dm 11. 20 cm 12. 3 dm 13. 3 cm
Estimate each to the nearest centimeter and
to the nearest decimeter. Then measure to
check your estimates.
- the length of your shoe 15. the length of a pencil case
- the width of your hand 17. the length of your desk
- the length of a dollar bill
- the length of this book
- the width of this book
- For exercises 14–20, was it
easier to estimate in centimeters
or in decimeters? Why? - Josh and Ray measure the 23. Lila needs 63 cm of balsa wood
same wall. Josh says it is to make a model plane. The
360 centimeters long. Ray says three pieces she has are 3 dm
it is 36 decimeters long. Can long, 2 dm long, and 8 cm long.
they both be right? Explain How many more cm of balsa
your answer. wood does Lila need? - Find and explain the meanings
of these prefixes commonly used
in the metric system of measurement.
centi-
milli-
deci-
kilo-
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