Addition withiin 100 no regrouping
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This document provides instruction on addition within 100 without regrouping. It includes addition songs and videos as warm ups. Key vocabulary is defined, like addition, addends, plus, and sum. Examples are given of linear and standard form of addition equations. Students are then asked to practice adding 2 and 3 digit addends without regrouping through various practice problems. Praise and encouragement is provided to keep practicing addition skills.
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Addition withiin 100 no regrouping
- 1. Addition within 100 no regrouping
- 2. Warm up Addition song • https://www.youtube.com/watch?v=k5wC 5krH8xo
- 4. Vocabulary words 1.Addition – Putting of number into one. Ex. 2 + 2 = 4 2.Addends - a number that is added to another. Ex. 2 + 2 = 4 3.Plus (+) - the symbol used to add. Ex. 2 + 2 = 4 4.Sum – Result or answer. Ex. 2 + 2 = 4
- 6. Addition - Putting of number into one Illustration: To find “2 + 3”, one with 2 objects and the other with 3 objects, form their union, and count the total. © iTutor. 2000-2013. All Rights Reserved
- 7. Keywords in Addition Sum Plus Increase Total And the numbers to be added together are called the "Addends": © iTutor. 2000-2013. All Rights Reserved
- 8. 2 forms in addition Linear form 20 + 15 = 35 35 + 42 = 77 Standard form 20 35 + 15 +42 35 77
- 9. Let’s start adding 2 digit addends without regrouping
- 10. 1 2 + 5 6 86
- 11. 6 5 + 2 4 98
- 12. 2 2 + 2 5 74
- 13. 5 2 + 2 7 97
- 14. 7 4 + 1 3 78
- 15. Great Job! How about Adding three 2 digit numbers? Can you do it?
- 16. Lets Go!
- 17. 1 2 1 1 + 2 5 84
- 18. 1 2 1 1 + 3 62
- 19. Keep going…
- 20. 1 2 4 3 + 3 85
- 21. 1 2 5 4 + 2 3 98
- 22. Excellent Job