Numbers Year 2 Addition and subtraction of units

+/- Numbers Year 2 – Addition and subtraction of units within 100 www. Key. Stage 2 Maths. com

1 20 9 8 7 6 5 4 3 2 30 thirty twenty-one twenty-five twenty-four twenty-three twenty-nine twenty-eight twenty-seven twenty-two twenty-six

40 1 9 8 7 6 5 4 3 2 30 thirty-three thirty-two forty thirty-one thirty-nine thirty-eight thirty-seven thirty-six thirty-five thirty-four

1 50 9 8 7 6 5 4 3 2 40 forty-five forty-four forty-three forty-two forty-one fifty forty-nine forty-eight forty-seven forty-six

60 1 9 8 7 6 5 4 3 2 50 sixty fifty-nine fifty-eight fifty-seven fifty-six fifty-five fifty-four fifty-three fifty-two fifty-one fifty

60 1 70 9 8 7 6 5 4 3 2 sixty-one sixty-seven sixty-six sixty-five sixty-four seventy sixty-nine sixty-three sixty-two sixty-eight

70 1 80 9 8 7 6 5 4 3 2 seventy-seventy-six seventy-five seventy-four seventy-three seventy-two seventy-one seventy eighty seventy-nine seventy-eight

80 1 90 9 8 7 6 5 4 3 2 eighty-one eighty-five eighty-four eighty-three eighty-two ninety eighty-nine eighty-eighty-seven eighty-six

1 100 90 9 8 7 6 5 4 3 2 ninety-two ninety-five ninety-ninety-one ninety-three ninety-eight ninety-seven ninety-six one ninety-four hundred

100 one hundred

30 5 30 + 5 = 35 thirty-five

60 8 60 + 8 = 68 sixty-eight

80 1 eighty-one 80 + 1 = 81

55 < 71

55 > 51

41 > 14

62 > 26

Put these numbers into ascending order. 30 12 32 21 12 33 21 30 32 33

Put these numbers into ascending order. 72 7 23 32 7 23 27 32 27 72

Find 1 more than 86. 80 7 6

Find 1 less than 86. 80 5 6

Find 1 more than 49. 50 40 9

Find 1 less than 49. 40 8 9

Find 1 more than 30. 30 1

Find 1 less than 30. 30 20 9

34 35 36 37 38 Gettin g bigger Adding 1 Increasing g n i t n Cou rds a w r fo g n i d n e c s A

57 58 59 60 61

76 77 78 79 80

64 65 66 67 68

96 95 94 93 92 Gettin g smaller Subtracting 1 Decreasing g n i t n Cou ards w k c a b Descending

32 31 30 29 28

53 52 51 50 49

81 80 79 78 77

57 58 59 60 61 +1 +2 +3 +4

3 8 + 5 = 43

4 6 + 6 = 52

5 6 + 4 = 60

3 8 + 5 = 43 38 39 40 41 42 43

4 6 + 6 = 52 46 47 48 49 50 51 52

5 6 + 4 = 60 56 57 58 59 60

3 0 + 5 = 35

6 0 + 8 = 68

9 0 + 6 = 96

5 0 + 9 = 59

5 6 + 4 = 60

4 5 + 5 = 50

7 2 + 8 = 80

3 8 + 5 = 43 +2 38 +3 40 43

4 6 + 6 = 52 +4 46 +2 50 52

1 5 + 7 = 22 +5 15 +2 20 22

5 8 + 8 = 66 +2 58 +6 60 66

28 29 30 31 32 -4 -3 -2 -1

6 8 - 6 = 62

4 3 - 5 = 38

6 6 - 7 = 59

6 8 - 6 = 62 62 63 64 65 66 67 68

4 3 - 5 = 38 38 39 40 41 42 43

6 6 - 7 = 59 59 60 61 62 63 64 65 66

6 8 - 8 = 60

9 6 - 6 = 90

5 9 - 9 = 50

6 0 - 5 = 55 55 56 57 58 59 60

6 0 - 5 = 55 55 60

5 0 - 7 = 43 43 50

4 0 - 2 = 38 38 40

4 3 - 5 = 38 -2 38 -3 40 43

6 6 - 7 = 59 -1 59 60 -6 66

4 1 - 4 = 37 -1 -3 37 40 41

5 6 - 9 = 47 -6 -3 47 50 56