Presentation Transcript
Measurement – Chapter 2 & 3Wednesday :Measurement – Chapter 2 & 3Wednesday
Number 1 to 6 :Number 1 to 6 1.What is 7 times 8?
2. About how many $1.59 hamburgers can you buy for $10.00? (no calculators)
3. Draw a line that is about 10 inches long. (don’t use a ruler)
4. What number is 100 more than 22,345?
5. Draw a ¾ two different ways.
6. Give an non-example of estimation.
Today :Today Yesterday’s Exit Cards
Today’s Big Ideas: Perimeter, Area, Volume
and Proportionality
Exit Card
Yesterday’s Exit Cards :Yesterday’s Exit Cards Precision – the smallest unit used in expressing the measurement of a quantity.
(length of a bolt is reported to be 4.50 inches, then the interval of possible values is between 4.495 and 4.505 inches, precise to the nearest hundredth of an inch) Accuracy – the degree of agreement between the measured value and the true value.
Precision of a measurement tells very little about the accuracy of the measure. (Systematic errors due to the measuring technique or instrument may give very precise measurements that are relatively far from the true value.)
If measurement is a story, what’s the moral to the story? :If measurement is a story, what’s the moral to the story?
Everyone have a Geoboard? :Everyone have a Geoboard? Seeing is believing
Piecing Ideas Together
Stations :Stations Going in circles
To the Surface and Beyond
Squareness (need calculators)
Ratios – Perimeters and Areas
Ratios – Surface Areas and Volumes
Inside/outside circle :Inside/outside circle
Read Chapter 3, pg 45 - 49 :Read Chapter 3, pg 45 - 49 Meet with your 8:00 partner. Gather with one other pair.
One pair reads Proportionality, the other pair reads Similarity.
As you read, select three stopping points and discuss what you’ve read so far.
Share your section with the other pair in your group.
How are we doing with our Assessment Frameworks? :How are we doing with our Assessment Frameworks? Please look at your assessment frameworks for “your” grade.
What standards have we done so far?
Which standards have we missed?
Slide 11:Finding Heights
Teacher I Shrank my room!
Pi Ruler
Tonight’s assignment :Tonight’s assignment Please take one article,
read it and be ready to summarize and
share it with your
colleagues
tomorrow.
Exit Card – select two :Today I learned:
This connects/adds to what I know about:
What I learned today can help me later when:
Something I’m still unsure about is: Exit Card – select two