1. Copyright © Ed2Net Learning, Inc.1 Adding without regrouping 3 and 4 digit numbers Grade 3

2. Copyright © Ed2Net Learning, Inc.2 Hello! How are you? We are going to begin new Lesson.

3. Copyright © Ed2Net Learning, Inc.3 3 and 4 digit numbers. The numbers with 3-digits are 256, 415, 742, 369 The numbers with 4-digits are 1258, 1369, 7539, 4259

4. Copyright © Ed2Net Learning, Inc.4 Addition Properties 3 and 4 digit numbers show addition properties like..  Associative property of addition.  Commutative Property of addition.  Identity property of addition.

5. Copyright © Ed2Net Learning, Inc.5 Pattern A series of numbers of figures that follows a rule. Example: 3 + 2 = 5 30 + 20 = 50 300 + 200 = 500

6. Copyright © Ed2Net Learning, Inc.6 Tips In pattern, the non-zero number is the same, just the number of zeros changes. The zeros are used to show the place value of tens, hundreds and thousands after adding the basic fact.

7. Copyright © Ed2Net Learning, Inc.7 Pattern Place value models can be used to find the Pattern. Number4 + 3 = 740 + 30 = 70400 + 300 = 700 Place Value model 4 ones + 3 ones = 7ones 4 tens + 3 tens = 7 tens 4 hundreds + 3 hundreds = 7 hundreds

8. Copyright © Ed2Net Learning, Inc.8 Add the numbers given below. a) 300 + 500 Answer- 800 b) 2,000 + 1,000 Answer- 3,000

9. Copyright © Ed2Net Learning, Inc.9 Find the sum. 356 +233 589 The sum of 356 and 233 is 589

10. Copyright © Ed2Net Learning, Inc.10 Find the sum. 2359 + 5430 7789 The sum of 2359 and 5430 is 7789.

11. Copyright © Ed2Net Learning, Inc.11 Alice works as a Baby sitter. She earns $128 in June and $421 in July. How much did she earn in both the months? Answer- $549

12. Copyright © Ed2Net Learning, Inc.12 Which is greatest? a) 236 + 142 b) 167 + 320 c) 100 + 800 d) 500 + 157 Answer- c

13. Copyright © Ed2Net Learning, Inc.13 BREAK!

14. Copyright © Ed2Net Learning, Inc.14 Assessment Questions.

15. Copyright © Ed2Net Learning, Inc.15 1.Find the Sum. 146 + 253 Answer- 399

16. Copyright © Ed2Net Learning, Inc.16 2. Super Store is selling digital camera for $650.00. The charger and memory card, costs $149.00. What is the total cost of Camera? Answer- $799

17. Copyright © Ed2Net Learning, Inc.17 3. For a vacation to Canada, Mr. Hudson paid $1562.00 for stay and food and $427.00 for transport. How much did he pay in all? Answer- $1989

18. Copyright © Ed2Net Learning, Inc.18 4. Edison made a call to his friend and talked for 128 seconds. He then made another call and talked for 670 seconds. How many seconds did he talk in all? Answer- $798

19. Copyright © Ed2Net Learning, Inc.19 5. Rock group took 457 pictures of animals in the Zoo. Sam group took 432 pictures of animals. How many pictures were taken in all? Answer- 889

20. Copyright © Ed2Net Learning, Inc.20 6. $555 + $344 gives--- Answer- $899

21. Copyright © Ed2Net Learning, Inc.21 7. Add a) 7 + 1 b) 70 + 10 c) 700 + 100 d) 7000 + 1000 Answers- a) 8 b) 80 c) 800 d) 8000

22. Copyright © Ed2Net Learning, Inc.22 8. What is 872 + 123? Answer- 995

23. Copyright © Ed2Net Learning, Inc.23 9. In central Florida, 457 American alligator nest were counted. In South Florida, 532 American alligator nest were counted. How many nest were counted in all? Answer- 989

24. Copyright © Ed2Net Learning, Inc.24 10. Add 5,483 + 3,416 Answer- 8899

25. Copyright © Ed2Net Learning, Inc.25 Recap Adding 3 and 4 digit numbers. Addition Properties. Pattern. Place Value model. Solved Examples. Practice Problems.

26. Copyright © Ed2Net Learning, Inc.26 Practice your worksheets to learn more about 3 and 4 digit numbers.