Upcoming SlideShare
×

# 1.2 Estimation

1,102 views
1,035 views

Published on

http://mrwilliams.edublogs.org

Published in: Education, Technology
0 Likes
Statistics
Notes
• Full Name
Comment goes here.

Are you sure you want to Yes No
• Be the first to comment

• Be the first to like this

Views
Total views
1,102
On SlideShare
0
From Embeds
0
Number of Embeds
67
Actions
Shares
0
28
0
Likes
0
Embeds 0
No embeds

No notes for slide
• Image: &apos;three_feet&apos; www.flickr.com/photos/26084283@N00/72697229
• ### 1.2 Estimation

1. 1. 1.2 Estimation with Whole Numbers Estimate sums, differences, products, and quotients of whole numbers.
2. 2. Remember! When you round, you look to the digit to the right. 5 or greater – round UP 4 or less – round DOWN
3. 3. Clustering - estimating a sum when the addends are about the same.
4. 4. 1802 + 2182 + 1999 2000 + 2000 + 2000
5. 5. Underestimate – an estimate that is less than the exact answer.
6. 6. Overestimate – an estimate that is more than the exact answer.
7. 7. Image Attributions Slide 1: Image: 'three_feet' www.flickr.com/photos/26084283@N00/72697229 Slide 2: Image: 'stickynote' www.flickr.com/photos/23963249@N02/2325865367 Slide 3: Image: 'Gathering roses( bright orange)' www.flickr.com/photos/28481088@N00/182314313 Slide 5: Image: 'Sun On The Petals' www.flickr.com/photos/98799884@N00/302782756 Slide 6: Image: 'Sunset on the Charles' www.flickr.com/photos/64165252@N00/141931319