Question
|
Working Out
|
Answer
|
78-43 =
|
70-40=30
8-3=5
=35
|
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=
|
100-10=90
20-8=12
90-12=
|
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
|
Walt: Understand part-whole subtraction with 2 and 3 digit numbers
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