1. ESTIMATING AND MEASURING
CHAPTER 1
WHOLE NUMBERS
ESTIMATING AND MEASURING

2. VOCABULARY
ESTIMATE
(v): To form a judgment or opinion based upon available information
(n): A judgment or opinion regarding the value of something
(v): To Calculate

3. (n): A unit of length equal to one-hundredth of a meter.
VOCABULARY
CENTIMETER
(n): A unit of length equal to one-hundredth of a meter.
The prefix CENTI
means
“one hundred”

4. (v): To write [the answer]
VOCABULARY
RECORD
(v): To write [the answer]

5. (n): An organized arrangement of data
VOCABULARY
TABLE
(n): An organized arrangement of data

6. VOCABULARY APPROXIMATE
Fairly close to the actual but not quite accurate.
Context: Ben's mom estimated that his approximate height was 5 feet.

7. VOCABULARY The space between two points. miles. DISTANCE
Context: The distance between
New Orleans and Chicago is 927

8. VOCABULARY Accurate, precise. EXACT
Context: The architect used a tape measure to obtain an exact measurement.

9. A unit of length equal to 12 inches.
VOCABULARY
FOOT
A unit of length equal to 12 inches.
Context: Originally, a foot was the length of the king's foot, but now it is a standard unit of length equal to 12 inches, or one-third of a yard.

10. Context: The length of a football field is 100 yards.
VOCABULARY
LENGTH
The distance from one end to the other of the longest side of an object.
Context: The length of a football field is 100 yards.

11. VOCABULARY Relating to, consisting of, or resembling a line. LINEAR
Context: The linear measurement of an object is its length.

12. VOCABULARY
MEASURE
To ascertain the extent, dimensions, quantity, capacity, etc of something
Context: To measure one’s height and weight; To measure 2 cups of sugar for a recipe

13. MENTAL MATH
3+5
9+9
6+8
9+7
8+4

14. MEASUREMENT EXERCISE Measure 3 items Write down the measurements
USE YOUR Ruler
Measure 3 items
Write down the measurements
Be prepared to share with the class when called upon

15. MEASUREMENT - ESTIMATES
DO NOT USE YOUR Ruler
Visually estimate the following
Write down the estimated measurements
Be prepared to share with the class when called upon
Text Book
Board Eraser

16. MEASUREMENT Millimeter Inch Centimeter Foot Meter Yard Kilometer Mile
Types
Millimeter
Inch
LENGTH
Centimeter
Foot
Meter
Yard
Kilometer
Mile

17. MEASUREMENT Milligram Gram Centigram Ounce Gram Pound Kilogram Ton
Types
Milligram
Gram
WEIGHT
Centigram
Ounce
Gram
Pound
Kilogram
Ton

18. MEASUREMENT
Types
Pint
VOLUME
Milliliter
Quart
Liter
Gallon

19. MEASUREMENT
Types
teaspoon
COOKING
Tablespoon
Cup

20. MEASUREMENT Second Month Year Minute Decade Hour Century Day Week
Types
Second
Month
TIME
Year
Minute
Decade
Hour
Century
Day
Week
Millennium

21. MEASUREMENT
Types
Degrees - Fahrenheit
Degrees – Celsius
TEMPERATURE

22. MEASUREMENT
Types
Miles
Per
Hour
Kilometers
Per
Hour
SPEED

23. MEASUREMENT
Types
Liters
Per
Gallon
Miles
Per
Gallon
FUEL ECONOMY

24. When to Use Which Measurement Type
Millimeter
Inch
Centimeter
Foot
Meter
Yard
Kilometer
Mile

25. When to Use Which Measurement Type
Milligram
Gram
WEIGHT
Centigram
Ounce
Gram
Pound
Kilogram
Ton

26. When to Use Which Measurement Type
Pint
VOLUME
Milliliter
Quart
Liter
Gallon

27. How would measuring length be different without inches? Miles?
MEASUREMENT
Discussion
Suppose there were no units for measuring length. How might lengths be described?
How would measuring length be different without inches? Miles?

28. Would you measure a pencil in feet?
MEASUREMENT
Discussion
Would you measure a pencil in feet?
A hallway in inches?

29. Is there a part of your body to use for estimation and measurement?
Discussion
Is there a part of your body to use for estimation and measurement?

30. ESTIMATION & MEASUREMENT
Practice
Estimate and then Measure:
A classmate
How many pencils placed side by side would it take to make 1 foot
How many paper clips placed end to end would it take to equal 1 foot

31. ESTIMATION & MEASUREMENT
Food for Thought
Is an Estimate a Guess?
Why Estimate?
If a measurement isn’t exact, then what good is it?

32. ESTIMATION & MEASUREMENT
ASSIGNMENT
Workbook page ####