This document contains math practice problems for subtracting tens and addition strategies. It includes over 20 practice problems for subtracting tens and over 20 practice problems using different addition strategies. The goal is to provide math practice to improve problem solving skills through repeated practice.

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. :

11. : Subtracting Tens
4 3
2 1

12. : Subtracting Tens
7 6
5 0

13. : Subtracting Tens
9 4
4 0

14. : Subtracting Tens
5 0
2 0

15. : Subtracting Tens
8 3
7 3

16. : Subtracting Tens
7 4
1 0

17. : Subtracting Tens
2 4
1 2

18. : Subtracting Tens
3 2
2 2

19. : Subtracting Tens
6 5
1 5

20. : Subtracting Tens
6 7
5 4

21. : Subtracting Tens
6 1
2 0

22. : Subtracting Tens
9 9
8 1

23. : Subtracting Tens
2 4
1 3

24. : Subtracting Tens
8 5
3 3

25. : Subtracting Tens
7 9
2 6

26. : Subtracting Tens
5 5
2 4

27. : Subtracting Tens
5 5
3 0

28. : Subtracting Tens
5 3
2 3

29. : Subtracting Tens
4 5
2 3

30. : Subtracting Tens
6 7
1 3

31. :

32. :

33. :

34. :

35. : Addition Strategies
7 2
1 4

36. : Addition Strategies
4 0
2 8

37. : Addition Strategies
6 4
3 5

38. : Addition Strategies
2 3
2 5

39. : Addition Strategies
4 3
2 4

40. : Addition Strategies
4 1
3 8

41. : Addition Strategies
3 0
2 8

42. : Addition Strategies
3 0
3 6

43. : Addition Strategies
2 3
7 0

44. : Addition Strategies
3 3
4 6

45. : Addition Strategies
1 6
3 2

46. : Addition Strategies
4 0
5 1

47. : Addition Strategies
4 0
3 4

48. : Addition Strategies
3 1
4 5

49. : Addition Strategies
1 1
5 7

50. : Addition Strategies

51. : Addition Strategies

52. : Addition Strategies

53. : Addition Strategies

54. : Addition Strategies

55. : Addition Strategies

56. : Addition Strategies

57. : Addition Strategies

58. : Addition Strategies

59. : Addition Strategies

60. : Addition Strategies
4 3
2 4

61. : Addition Strategies
3 7
5 6

62. : Addition Strategies
6 4
1 8

63. : Addition Strategies
4 1
2 3

64. : Addition Strategies
3 7
4 9

65. : Addition Strategies
1 4
4 7

66. : Addition Strategies
1 3
5 7

67. : Addition Strategies
3 3
4 8

68. : Addition Strategies
5 8
1 5

69. : Addition Strategies
1 7
4 8

70. :

71. :

72. :
Cornerstone Activity