Grade 4 - Progress in Mathematics

(Marvins-Underground-K-12) #1
Draw a line segment for each length.


  1. 2 cm 5. 8 cm 6. 12 cm 7. 10 cm 8. 2 dm

  2. 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.


  1. the length of your shoe 15. the length of a pencil case

  2. the width of your hand 17. the length of your desk

  3. the length of a dollar bill

  4. the length of this book

  5. the width of this book

  6. For exercises 14–20, was it
    easier to estimate in centimeters
    or in decimeters? Why?

  7. 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?

  8. Find and explain the meanings
    of these prefixes commonly used
    in the metric system of measurement.


centi-
milli-
deci-
kilo-

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