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Tuesday 7 November 2017

Tha Zin Subtraction Revision

Subtract!   Break up the hundreds, tens and ones...

44 - 23
IMG_7998.JPG
54 - 28
54 - 28 = ?

54 - 20 = 34
34 - 8 = 26

Answer : 26
81 - 39
81 - 39 = ?

81 - 30 = 51
51 - 9 = 42

Answer : 42
141 - 25
IMG_7997.JPG
155 - 26
155 - 26 = ?

155 - 20 = 135
135 - 6 = 129

Answer : 129
326 - 18
326 - 18 = ?

326 - 10 = 316
316 - 8 = 308

Answer : 308
Sala has 46 points on a playstation game. 214 points is the high score. How many more points does he need to reach the high score?
214 - 46 = ?

214 - 40 = 174
174 - 6 = 168

Answer : 168
154 - 69
154 - 69 = ?

154 - 60 = 94
94 - 9 = 85

Answer : 85
Tommy had 121 lollies from Halloween. He ate 45 lollies. How many does he have left?
121 - 45 = ?

121 - 40 = 81
81 - 5 = 76

Answer : 76

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