Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
516 + 100 =
4
3
616
2
|
2.
707 + 190 =
2
4
897
3
|
3.
558 – 44 =
4
3
2
514
|
4.
50 + 8 =
58
4
3
2
|
|
5.
422 – 313 =
109
4
2
3
|
6.
590 – 525 =
4
3
2
65
|
7.
567 – 379 =
4
188
2
3
|
8.
400 – 159 =
2
241
3
4
|
|
9.
529 + 333 =
4
862
2
3
|
10.
205 – 28 =
2
3
4
177
|
11.
886 + 92 =
4
978
2
3
|
12.
915 + 39 =
2
3
954
4
|
|
13.
521 + 299 =
4
2
820
3
|
14.
605 + 370 =
975
4
2
3
|
15.
516 + 259 =
4
3
2
775
|
16.
242 – 59 =
183
2
4
3
|
|
17.
562 – 403 =
159
2
4
3
|
18.
487 – 306 =
181
4
2
3
|
19.
23 – 22 =
3
2
4
1
|
20.
20 – 20 =
2
3
4
0
|