ESTIMATING AND MEASURING CHAPTER 1 WHOLE NUMBERS ESTIMATING AND MEASURING

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

(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”

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

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

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

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

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

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.

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.

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

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

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

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

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

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

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

MEASUREMENT Types Pint VOLUME Milliliter Quart Liter Gallon

MEASUREMENT Types teaspoon COOKING Tablespoon Cup

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

MEASUREMENT Types Degrees - Fahrenheit Degrees – Celsius TEMPERATURE

MEASUREMENT Types Miles Per Hour Kilometers Per Hour SPEED

MEASUREMENT Types Liters Per Gallon Miles Per Gallon FUEL ECONOMY

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

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

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

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?

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

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?

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

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

ESTIMATION & MEASUREMENT ASSIGNMENT Workbook page ####