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Mathematics

Mathematics . CCSS.Math.Content.K.CC.A.1: Counting to 100 by ones and by tens For: Kindergarten. By: Hillary Kitchen Due: Tuesday July 16 th 2013. Menu. Content. Posttest 1. Posttest 2. Posttest 3. Exit. Counting to 100 by Ones!. To count from 1 to 100, start at 1 and count to 10:

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Mathematics

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  1. Mathematics CCSS.Math.Content.K.CC.A.1: Counting to 100 by ones and by tens For: Kindergarten By: Hillary Kitchen Due: Tuesday July 16th 2013

  2. Menu Content Posttest 1 Posttest 2 Posttest 3 Exit

  3. Counting to 100 by Ones! • To count from 1 to 100, start at 1 and count to 10: • 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

  4. Counting to 100 by ones cont. • After learning 1 through 10, count from 11 to 20: 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

  5. Counting to 100 by Ones Cont. • Now it’s easy! • 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 • Example: -21 “Twenty One” • -22 “Twenty Two” • 30, 31, 32, 33, 34, 35, 36, 37, 38, 39 • Example: -31 “Thirty One” • -32 “Thirty Two” • You can do this all the way up to 100, using the numbers • 40, 50, 60, 70, 80, 90. • When you get to 99, the next number is 100!

  6. Counting to 100 by Tens! This is just like counting to 10, like we previously learned, expect you add a zero to show that each group contains 10 numbers. 10 10: “Ten” 20 20: “Twenty” 30 30: “Thirty” 40 40: “Forty” 50 50: “Fifty” 60 60: “Sixty” 70 70: “Seventy” 80 80: “Eighty” 90 90: “Ninety” 100 100: “One Hundred”

  7. Posttest 1 • Try it: How many cartoon animals are there? Correct: Incorrect:

  8. Posttest 2 • How many starts are on this flag? Correct Incorrect

  9. Posttest 3 • Counting by tens, how hearts are there? Correct Incorrect

  10. References • http://www.corestandards.org/Math • http://www.youtube.com/watch?v=kTK-ZqQg9Rk • http://www.youtube.com/watch?v=uYRTtwZGwj8 • http://teacherexpress.scholastic.com/product-type/class-decor/counting-1-10-chart-9780439499699 • http://oceansoffirstgradefun.blogspot.com/2011/07/seabeach-life-numbers-11-20.html • http://graphicriver.net/item/9-animal-avatars/2668912 • www.earthlyissues.com • http://www.flickr.com/photos/areabridges/5105537344/

  11. Posttest 1: Yes! There are 9 cartoon animals!

  12. Posttest 2: Correct! There are 25 stars on this flag!

  13. Posttest 3: YAY! There are 50 hearts! (5 groups of 10)

  14. Posttest 1: Sorry, you need to try again. But first listen to the song one more time, up to 20! Posttest 2: Opps! Try again. First, listen to the whole video above!

  15. Posttest 3: Sorry, try again! But first listen to the counting by tens video again!

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