Adding tens and ones
-We are learning to solve addition problems by adding tens and ones.
Question
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Adding 10s
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Adding 1s
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Answer
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11+12=23
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10+10=20
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1+2=3
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20+3=23
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14+29=43
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10+20=30
|
4+9=13
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30+13=43
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26+41=
|
20+40=60
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6+1=7
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60+7=67
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42+25=
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20+40=60
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5+2=7
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60+7=67
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18+81=
|
10+80=90
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1+8=9
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90+9=99
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56+23=
|
50+20=70
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6+3=9
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70+9=79
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16+32=
|
10+30=40
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6+2=8
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40+8=48
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24+37=
|
20+30=50
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4+7=11
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50+11=61
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49+47=
|
40+40=80
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9+7=16
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80+16=96
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75+16=
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70+10=80
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5+6=11
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80+11=91
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19+87=
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10+80=90
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9+7=16
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90+16=106
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66+26=
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60+20=80
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6+6=12
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80+12=92
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45+27=
|
40+20=60
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5+7=12
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60+12=72
|
46+48=
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40+40=80
|
6+8=14
|
80+14=94
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Question
|
Adding 10s
|
Adding 1s
|
Answer
|
94+22= 116
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90+20=110
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4+2=6
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110+6=116
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84+35=
|
80+30=110
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4+5=9
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110+9=119
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42+63=
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40+60=100
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2+3=5
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100+5=105
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74+43=
|
70+40=110
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4+3=7
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110+7=117
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11+87=
|
10+80=90
|
1+7=8
|
90+8=98
|
66+62=
|
60+60=120
|
6+2=8
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120+8=128
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45+52=
|
40+50=90
|
5+2=7
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90+7=97
|
61+48=
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60+40=100
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1+8=9
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100+9=109
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