	Gen855 Calculation of 2-digit numbers	Name : _____________
		refresh

8 + 16 = (24)

24 + 19 =

23 + 24 =

+ [ ]

25 + 14 =

21 + 23 =

21 + 11 =

+ [ ]

20 + 21 =

27 - 10 =

34 - 11 =

+ [ ]

19 + 15 =

9 + 12 =

38 - 23 =

+ [ ]

14 + 18 =

14 + 13 =

9 + 17 =

+ [ ]

		+++ [[[ ]]]

Gen855 27 /- 19
Calculation of 2-digit numbers

Name : ____________________

8 + 16 = (24)

24 + 19 = (43)

23 + 24 = (47)

+ [ 114 ]

25 + 14 = (39)

21 + 23 = (44)

21 + 11 = (32)

+ [ 115 ]

20 + 21 = (41)

27 - 10 = (17)

34 - 11 = (23)

+ [ 81 ]

19 + 15 = (34)

9 + 12 = (21)

38 - 23 = (15)

+ [ 70 ]

14 + 18 = (32)

14 + 13 = (27)

9 + 17 = (26)

+ [ 85 ]

+++ [[[ 465 ]]]