Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
385 + 125 =
3
4
510
2
|
2.
106 + 222 =
328
2
3
4
|
3.
67 + 668 =
735
2
4
3
|
4.
108 – 27 =
2
3
4
81
|
|
5.
4 – 4 =
0
3
2
4
|
6.
155 + 173 =
328
3
2
4
|
7.
825 + 129 =
3
954
2
4
|
8.
171 – 136 =
4
35
3
2
|
|
9.
983 + 4 =
2
3
987
4
|
10.
185 – 54 =
2
4
3
131
|
11.
124 + 235 =
2
3
4
359
|
12.
712 – 517 =
2
3
195
4
|
|
13.
393 + 227 =
4
620
2
3
|
14.
101 + 442 =
2
543
4
3
|
15.
221 – 80 =
141
3
2
4
|
16.
537 + 303 =
4
840
3
2
|
|
17.
29 – 23 =
1
2
3
6
|
18.
8 + 453 =
3
4
2
461
|
19.
696 + 50 =
746
2
3
4
|
20.
420 – 408 =
12
1
3
2
|