Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
949 + 48 =
997
4
3
2
|
2.
468 – 468 =
0
4
3
2
|
3.
625 + 171 =
796
2
4
3
|
4.
313 – 291 =
2
22
4
3
|
|
5.
41 – 1 =
4
40
3
2
|
6.
178 – 79 =
3
4
2
99
|
7.
440 – 421 =
2
19
3
4
|
8.
956 – 425 =
4
2
3
531
|
|
9.
88 + 120 =
4
208
3
2
|
10.
638 – 529 =
4
109
2
3
|
11.
883 – 241 =
3
4
2
642
|
12.
38 + 620 =
3
4
2
658
|
|
13.
723 – 578 =
2
3
145
4
|
14.
692 + 164 =
3
2
4
856
|
15.
634 + 54 =
2
688
3
4
|
16.
468 – 306 =
162
4
3
2
|
|
17.
320 + 492 =
4
3
812
2
|
18.
299 – 285 =
2
14
1
3
|
19.
945 – 693 =
252
4
2
3
|
20.
175 + 774 =
2
949
4
3
|