mat2 grade two lesson quarter two mathematics

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1. Mathematics 2

2. Adding Without Regrouping

3. What is adding numbers?

4. Adding numbers is putting together two sets of things or people to form a new set.

5. girls in a class boys in a class and = a class of boys and girls

6. girls in a class boys in a class and = a class of boys and girls The set of boys and the set of girls form a new set that is composed of all pupils in the class.

7. We use the plus sign (+) to put together two or more numbers.

8. Steps in adding two-digit numbers without regrouping: Add the ones. Add the tens.

9. Example: 34 + 23 = _____ 34 +23

10. 3 4 + 2 3

11. 3 4 + 2 3 7

12. 3 4 + 2 3 5 7

13. Example: 21 18 +10

14. Example: 2 1 1 8 + 1

15. Example: 2 1 1 8 + 1 49

16. Try This!!!

17. 12 15 +11

18. 12 15 +11 38

19. 56 +43

20. 56 +43 99

21. 234 +125

22. Steps in adding three-digit numbers without regrouping: Add the ones. Add the tens. Add the hundreds.

23. 234 +125

24. 234 +125 9

25. 234 +125 59

26. 234 +125 359

27. Try This!!!

28. 236 +542

29. 236 +542 77 8

30. 345 +444

31. 345 +444 789

32. Mathematics 2