	Gen556 Calculation of 2-digit numbers	Name : _____________
			hard	harder

21 + 24 = (45)

19 - 14 =

13 + 11 =

11 + 21 =

11 + 11 =

11 - 29 =

11 - 16 =

17 - 19 =

11 - 16 =

29 + 17 =

20 - 29 =

24 + 14 =

12 + 23 =

18 + 27 =

17 + 16 =

21 + 26 =

28 + 25 =

18 + 26 =

20 - 24 =

12 + 23 =

16 + 25 =

19 + 17 =

21 - 28 =

25 + 22 =

20 - 12 =

28 - 15 =

16 + 14 =

24 + 20 =

16 + 28 =

20 - 29 =

ajjja + [ ]	ajjja + [ ]	ajjja + [ ]
		+++ [[[ ]]]

Gen556 15 /- 37
Calculation of 2-digit numbers

Name :_________________

21 + 24 = (45)

19 - 14 = (5)

13 + 11 = (24)

11 + 21 = (32)

11 + 11 = (22)

11 - 29 = (-18)

11 - 16 = (-5)

17 - 19 = (-2)

11 - 16 = (-5)

29 + 17 = (46)

20 - 29 = (-9)

24 + 14 = (38)

12 + 23 = (35)

18 + 27 = (45)

17 + 16 = (33)

21 + 26 = (47)

28 + 25 = (53)

18 + 26 = (44)

20 - 24 = (-4)

12 + 23 = (35)

16 + 25 = (41)

19 + 17 = (36)

21 - 28 = (-7)

25 + 22 = (47)

20 - 12 = (8)

28 - 15 = (13)

16 + 14 = (30)

24 + 20 = (44)

16 + 28 = (44)

20 - 29 = (-9)

ajjja + [ 284 ]	ajjja + [ 199 ]	ajjja + [ 225 ]
		+++ [[[ 708 ]]]