2-Digit to 2-Digit Addition + Place Value Concept

3. Check your answers
2. Recheck your work
Do your best
Always aim high
Find better ways

4. check my answers
recheck my work
do my best
aim high
find better ways

5. Striving for accuracy is important
because
I will to improve my
problem solving skills.

7. helps us to communicate
makes us effective
makes us write equations
lets us express ideas
lets us draw graphs

8. MathsupportseffectiveCommunication
because
It helps me solve problems by

10. : Addition Strategies
4 3
2 4

11. : Addition Strategies
6 4
3 5

12. : Addition Strategies
2 3
2 5

13. : Addition Strategies
7 2
1 4

14. : Addition Strategies
4 0
2 8

15. : Addition Strategies

16. : Addition Strategies

17. : Addition Strategies

18. : Addition Strategies

19. : Addition Strategies

20. : Addition Strategies
4 3
2 4

21. : Addition Strategies
3 7
5 6

22. : Addition Strategies
6 4
1 8

23. : Addition Strategies
4 1
2 3

24. : Addition Strategies
3 7
4 9

25. : Addition Strategies
1 4
4 7

27. : Number concept
ten
fifteen
twenty
twelve

28. : Understanding Tens

29. : Understanding Tens
I have ________ apples.

30. : Tens and Ones

31. : Tens

32. : Comparing Numbers

33. : Mental Math