Hazel 2 Digit Part Whole Subtraction

Question	Working Out	Answer
78-43 =	70-40=30 8-3=5	35
186- 24 =	100 80-20=60 6-4=2	162
186-43=	100 80-40=40 6-3=3	143
172- 51 =	100 70-50=20 2-1=1	121
129- 18=	100 20-10=10 9-8=10	111
179- 41 =	100 70-40=30 9-1=8	138
186- 25=	100 80-20=60 6-5=1	161
142-31=	100 40-30=10 2-1=1	111
158-48=	100 50-40=10 8-8=0	110
184-29=	100 80-20=60 4-9=5	165
183 - 44 =	100 80-40=40 3-4=1	141
180-61 =	100 80-60=20 0-1=0	120
174-65=	100 70-60=10 4-5=1	111
143-50=	100 40-50=10 3-0=0	110