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Published byMaría Concepción Valdéz Vidal Modified over 9 years ago
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Mental Math
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14 + 4
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304 + 0
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9 + 7
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40 + 30
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70 + 10
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10 + 10
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100 + 8
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50 + 6
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20 + 60
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12 + 10
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100 +100
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200 + 80
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100 + 7
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8 + 50
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3 + 6
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200 + 7
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6 + 8
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800+200
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3 + 7
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4 + 5
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10 + 6
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12+ 12
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50 + 20
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9 + 5
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4 + 8
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4 + 100
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210 + 10
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7 + 30
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50 + 50
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35 + 25
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3 + 9
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4 + 9
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550 + 50
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350 + 4
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4 + 7
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40 + 25
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50 + 70
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4 + 6
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10 + 200
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5 + 9
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8 + 200
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60 + 10
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9 + 11
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100 + 300
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75 +5
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3 + 10
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200 + 4
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3 + 8
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70 + 30
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5 + 6
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8 + 8
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500 + 10
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9 + 2
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20 + 400
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6 + 5
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102 + 8
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7 + 4
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35 + 5
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9 + 9
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500 + 3
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7 + 8
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440 + 10
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7 + 5
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15 + 15
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60 + 10
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55 + 3
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7 + 7
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18 +8
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9 + 4
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7 + 9
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18 + 12
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100 + 10
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801 + 1
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909 + 0
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100 + 5
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60 + 40
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50 + 80
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7 + 6
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8 + 3
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500 + 10
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100 +100
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8 + 6
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10 + 9
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17 + 12
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600 +300
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9 + 6
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8 + 7
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9 + 3
90
8 + 400
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99 + 1
92
104 + 6
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10 + 7
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13 + 13
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9 + 8
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300 + 3
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10 + 44
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22 + 9
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60 + 90
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22 + 33
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6 + 7
102
25 + 25
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6 + 6
104
15 + 14
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