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Introduction

Maak de sommen.


Question

1
80 + 10 =

Question

2
10 + 90 =

Question

3
70 + 9 =

Question

4
50 + 3 =

Question

5
40 + 50 =

Question

6
4 + 5 =
14 + 5 =

Question

7
40 + 6 =

Question

8
2 + 6 =
12 + 6 =

Question

9
8 + 1 =
18 + 1 =

Question

10
20 + 7 =