1. Distance
is how far apart objects are

2. Width
Distance from side to side;
Describes how wide a shape is

3. Length
Distance from end to end;
Describes how long a shape is

4. Height
Distance from
base to top;
Describes how
high a shape is

5. Perimeter
The distance around a
2-dimensional shape
TIP:
Add together
all the lengths
of the shape

6. Meter
Basic unit
for measuring distance

7. Millimeter (mm)
Unit
for measuring
distance
1 m = 1000 mm

8. Centimeter (cm)
Unit
for measuring distance
1m = 100 cm

9. Kilometer (km)
Unit
for measuring distance
1000 m = 1 km

10. Ruler
A tool used
to measure length

11. Measuring Tape
A tool used
to measure length

12. Circumference
The distance
around the
circle

13. Radius
Any line that
connects the
center of the
circle with any
point on the
circle

14. Diameter
A line segment
that passes
through the
circle
and has both of
its endpoints on
the circle

15. Area
The amount
of surface
inside a
shape

16. Square Unit
Basic unit for measuring area
Square centimeter
(cm2)
Square meter
(m2)

17. Capacity
How much a container can hold
Volume
The amount of
space (matter)
inside a 3-
dimensional object

18. Cubic Unit
Basic unit
for measuring volume
Cubic centimeter
(cm3)
Cubic meter
(m3)

19. Liter (L)
Basic unit for
measuring
capacity

20. Milliliter (mL)
Unit for
measuring
capacity

21. Graduated
cylinder
A tool used to
measure volume

22. Weight
How heavy an object is

23. Mass
Amount of matter
in an object

24. Matter
Something that has mass
and takes up space

25. Balance scale
A tool used
to measure weight

26. Weighing scale
A tool used
to measure weight

27. Milligram (mg)
Unit
for measuring mass
1 g = 1000 mg

28. Gram (g)
Basic unit
for measuring
mass

29. Kilogram (Kg)
Unit
for measuring
mass

30. Temperature
The measure of hotness or
coldness of something

31. Celsius
Unit for measuring
temperature

32. Thermometer
A tool used to measure
temperature

33. Angle
formed by 2 rays
or segments that
have the same
endpoint

34. Degree (º)
Unit for
measuring
angles

35. Protractor
A tool used
to measure angles

36. Time
The ongoing sequence of
events taking place

37. Second
Basic unit for
measuring
time

38. Minute
Unit for
measuring
time
60 seconds
= 1 minute

39. Hour
Unit for
measuring
time
60 minutes =
1 hour

40. Day
Unit for measuring time
24 hours = 1 day

41. Week
Unit for measuring time
7 days = 1 week

42. Month
Unit for measuring time
~ 30 days = 1 month
~ 4 weeks = 1 month

43. Year
Unit for measuring time
365 days = 1 year
12 months = 1 year

44. Clock
A tool used
to measure time

45. Calendar
A tool
used
to
measure
time

46. Map scale
The ratio of
the length in
a drawing (or
model) to the
length of the
real thing

47. Accurate how close a
measured
value is to the
real value
(Adjective)
 ACCURATE
 Precise
 Accurate
 Precise
 ACCURATE
 Precise
 Accurate
 Precise

48. Precise how close the
measured
values are to
each other
(adjective)
 Accurate
 PRECISE
 Accurate
 PRECISE
 Accurate
 Precise
 Accurate
 Precise

49. Estimate
A close guess of the actual
value, usually some thinking
or computing
(verb)

50. Unit
A measure of
something;
A word that
gives meaning
to a number
value
(noun)
23 grams
3 kilometers
8 months

51. Measure
Finding a number that shows
the size or amount of
something using a tool
(verb)