Addition and Subtraction

2 Digit Addition Without Carrying

100

36+41

77

200

22+51

73

300

13+46

59

400

73+25

98

500

28+61

89

2 Digit Addition With Carrying

100

45+29

74

200

41+62

103

300

75+15

90

400

18+46

64

500

19+23

42

2 Digit Subtraction Without Borrowing

100

45-23

22

200

26-11

15

300

75-30

45

400

38-13

25

500

66-14

52

2 Digit Subtraction With Borrowing

100

35-16

19

200

28-19

9

300

56-28

28

400

44-15

29

500

81-37

44

Who is Closer?

100

501+303

804

200

107+271

378

300

538-523

15

400

966-246

720

500

595+215

810