	Gen376 Calculation of 2-digit numbers	Name : _____________
			hard	harder

23 + 16 = (39)

23 + 12 =

16 + 22 =

21 + 16 =

10 + 20 =

9 + 12 =

23 + 22 =

32 - 18 =

10 + 9 =

21 + 7 =

43 - 24 =

20 + 24 =

13 + 14 =

21 + 7 =

23 + 12 =

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

Gen376 27 /- 19
Calculation of 2-digit numbers

Name :_________________

23 + 16 = (39)

23 + 12 = (35)

16 + 22 = (38)

21 + 16 = (37)

10 + 20 = (30)

9 + 12 = (21)

23 + 22 = (45)

32 - 18 = (14)

10 + 9 = (19)

21 + 7 = (28)

43 - 24 = (19)

20 + 24 = (44)

13 + 14 = (27)

21 + 7 = (28)

23 + 12 = (35)

ajjja + [ 176 ]	ajjja + [ 126 ]	ajjja + [ 157 ]
		+++ [[[ 459 ]]]