Upcoming SlideShare
×

# Rounding Powerpoint

25,771 views

Published on

Powerpoint Presentation for EDU 653 - Rounding to the nearest ten up to 100 for 1st grade.

Published in: Education
1 Comment
11 Likes
Statistics
Notes
• Full Name
Comment goes here.

Are you sure you want to Yes No
Your message goes here
• i want to download this presentation

Are you sure you want to  Yes  No
Your message goes here
Views
Total views
25,771
On SlideShare
0
From Embeds
0
Number of Embeds
1,683
Actions
Shares
0
565
1
Likes
11
Embeds 0
No embeds

No notes for slide

### Rounding Powerpoint

1. 1. <ul><li>1 st Grade </li></ul><ul><li>Michelle Dawson Francois </li></ul>http://math.phillipmartin.info/math_teacher3.htm
2. 2. <ul><li>Standard- M1N1. Students will estimate, model, compare, order, and represent whole numbers up to 100. </li></ul><ul><li>Element- d. Understand the magnitude and order of numbers up to 100 by making ordered sequences and representing them on a number line. </li></ul><ul><li>Essential Question- How can rounding help me solve a difficult problem? </li></ul>https://www.georgiastandards.org/standards/
3. 3. <ul><li>When a question asks you to round or estimate, you are being asked “about how many?” </li></ul><ul><li>Your approximate number will help you solve problems that maybe hard to solve. </li></ul>http://math.phillipmartin.info/math_estimate.htm
4. 4. <ul><li>When rounding to the nearest ten up to 100. Your answer will be one of the numbers below because they are multiples of ten. </li></ul><ul><li>0, 10, 20, 30, 40, 50, 60, 70, 80, 90,100 </li></ul><ul><li>The rule to rounding- 0, 1, 2, 3, 4- round down, 5, 6,7, 8, 9 – round up . </li></ul>
5. 5. <ul><li>Remembering this poem with the rule will also help you round. </li></ul><ul><li>Find your number. </li></ul><ul><li>Look right next door. </li></ul><ul><li>4 or less just ignore. </li></ul><ul><li>5 or more, add 1 more . </li></ul>Yuskaitis, Monica, Rounding –Math Flash, http://math.pppst.com/rounding.html
6. 6. <ul><li>Remember the poem </li></ul><ul><li>Find your number. </li></ul><ul><li>Look right next door. </li></ul><ul><li>4 or less just ignore. </li></ul><ul><li>5 or more, add 1 more. </li></ul>Round to 20 Round to 30 2 1 2 7
7. 7. Remember the poem. Round 36 to the nearest ten. 31 32 33 34 35 36 37 38 39 40 30
8. 8. Round 36 to the nearest ten. The nearest ten to 36 is 40. 31 32 33 34 35 36 37 38 39 40 30
9. 9. Round 74 to the nearest ten. 71 72 73 74 75 76 77 78 79 80 70
10. 10. Round 74 to the nearest ten. The nearest ten to 74 is 70. 71 72 73 74 75 76 77 78 79 80 70
11. 11. <ul><li>Number your paper 1-5. </li></ul><ul><li>Round the given number to the nearest ten. </li></ul><ul><li>Remember the rule and use it to help you solve. </li></ul><ul><li>Get Ready… </li></ul>http://school.phillipmartin.info/school_pencil.htm
12. 12. <ul><li>0 </li></ul><ul><li>10 </li></ul><ul><li>6 </li></ul>1 2 3 4 5 6 7 8 9 10 0
13. 13. <ul><li>20 </li></ul><ul><li>10 </li></ul><ul><li>18 </li></ul>11 12 13 14 15 16 17 18 19 20 10
14. 14. <ul><li>70 </li></ul><ul><li>75 </li></ul><ul><li>80 </li></ul>71 72 73 74 75 76 77 78 79 80 70
15. 15. <ul><li>70 </li></ul><ul><li>75 </li></ul><ul><li>80 </li></ul>71 72 73 74 75 76 77 78 79 80 70
16. 16. <ul><li>95 </li></ul><ul><li>90 </li></ul><ul><li>100 </li></ul>91 92 93 94 95 96 97 98 99 100 90
17. 17. <ul><li>1. Round 5 to 10 – answer b </li></ul><ul><li>2. Round 19 to 20 – answer a </li></ul><ul><li>3. Round 73 to 70 – answer a </li></ul><ul><li>4. Round 77 to 80 – answer c </li></ul><ul><li>5. Round 92 to 90 – answer b </li></ul>http://upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Blue_check.svg/600px-Blue_check.svg.png
18. 18. <ul><li>Essential Question: How can rounding help me solve a difficult problem? </li></ul><ul><li>Answer- Rounding gives us an answer close to the correct one which helps us solve hard problems. </li></ul><ul><li>Your answer will be a multiples of ten. </li></ul><ul><li>0, 10, 20, 30, 40, 50, 60, 70, 80, 90,100 </li></ul>http://journal.media-culture.org.au/0510/images/review-cover.jpg
19. 19. <ul><li>The rule to rounding- 0, 1, 2, 3, 4- round down, 5, 6,7, 8, 9 – round up . </li></ul><ul><li>Find your number. </li></ul><ul><li>Look right next door. </li></ul><ul><li>4 or less just ignore. </li></ul><ul><li>5 or more, add 1 more . </li></ul>
20. 20. http://en.wikipedia.org/wiki/Porky_Pig