Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
663 + 260 =
923
2
4
3
|
2.
907 – 756 =
4
2
151
3
|
3.
255 – 155 =
3
2
100
4
|
4.
490 – 342 =
3
2
148
4
|
|
5.
568 – 535 =
33
2
3
4
|
6.
428 – 182 =
2
4
3
246
|
7.
330 – 175 =
155
4
2
3
|
8.
504 – 324 =
4
3
2
180
|
|
9.
247 – 67 =
2
4
3
180
|
10.
148 + 264 =
412
2
3
4
|
11.
363 + 499 =
2
4
862
3
|
12.
838 + 97 =
2
4
3
935
|
|
13.
554 + 384 =
938
3
4
2
|
14.
959 – 456 =
3
2
503
4
|
15.
397 + 420 =
3
2
817
4
|
16.
481 + 474 =
4
955
2
3
|
|
17.
825 + 151 =
4
976
2
3
|
18.
542 – 449 =
3
93
2
4
|
19.
671 + 250 =
921
3
4
2
|
20.
146 – 117 =
2
29
4
3
|