Sommen oplossen tot 20
Erbijsommen
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1.
12 + 7 =
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2.
5 + 12 =
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3.
1 + 9 =
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4.
12 + 3 =
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5.
9 + 3 =
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6.
14 + 2 =
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7.
6 + 11 =
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8.
3 + 7 =
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9.
5 + 15 =
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10.
14 + 3 =
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11.
16 + 0 =
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12.
20 + 0 =
|
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13.
1 + 15 =
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14.
2 + 10 =
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15.
3 + 10 =
|
|
16.
18 + 1 =
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17.
5 + 4 =
|
18.
9 + 6 =
|
|
19.
12 + 3 =
|
20.
6 + 8 =
|
21.
9 + 2 =
|
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22.
1 + 17 =
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23.
19 + 0 =
|
24.
1 + 4 =
|
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25.
3 + 13 =
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26.
9 + 10 =
|
27.
1 + 0 =
|
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28.
4 + 1 =
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29.
9 + 10 =
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30.
15 + 3 =
|
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31.
5 + 9 =
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32.
8 + 9 =
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33.
13 + 3 =
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