This week we used place value to help us work out subtraction equations.
Question
|
Working Out
|
Answer
|
69-37 =
|
60 - 30 = 30
9 - 7 = 2
30 + 2 = 32
|
32
|
126- 14 =
|
20 - 10 = 10
6 - 4 = 2
10 + 2 =112
|
112
|
195-43=
|
90 - 40 = 50
5 - 4 = 1
50 + 1 = 151
|
151
|
181 - 37 =
|
80 - 40 = 40
1 - 3 =2
40 + 2 =142
|
142
|
109 - 18=
|
90 - 40 = 50
1 - 8 = 9
50 + 9 = 159
|
159
|
162 - 54 =
|
60 - 30 = 30
2 - 5 =0 30 + 0 = 130
|
130
|
199 - 63=
|
90 - 40 = 50
9 - 6 = 3
50 + 3 = 153
|
153
|
158 - 39=
|
40 -30 = 10
18 - 9 = 9
100 + 10 + 9 = 119
|
119
|
172-48=
|
60 - 40 =20
12 - 8 =4
100 + 20 + 4 =124
|
124
|
193-29=
|
80 - 20 = 60
13 -9 = 5
100 + 60 + 5 = 165
|
165
|
176 - 44 =
|
70 - 40 = 30
6 - 4 = 2
30 + 2 = 132
|
132
|
110-61 =
|
100 - 60 = 40
10 - 1 = 9
|
49
|
189-65=
|
80 - 40 = 40
9 - 6 = 4
40 + 4 = 144
|
144
|
131-50=
|
100 - 50 = 40
31 + 40 = 71
|
71
|
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