Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
210 + 380 =
4
590
2
3
|
2.
471 – 109 =
4
3
362
2
|
3.
199 + 190 =
4
2
3
389
|
4.
741 – 620 =
2
4
3
121
|
|
5.
73 + 547 =
620
2
4
3
|
6.
160 – 3 =
157
2
4
3
|
7.
94 – 44 =
3
50
4
2
|
8.
807 + 60 =
3
867
4
2
|
|
9.
98 + 145 =
243
2
4
3
|
10.
163 – 100 =
2
63
4
3
|
11.
934 – 782 =
2
3
152
4
|
12.
379 + 263 =
642
2
4
3
|
|
13.
790 + 70 =
2
860
4
3
|
14.
698 – 565 =
2
3
4
133
|
15.
9 – 6 =
1
3
2
4
|
16.
324 – 214 =
3
4
2
110
|
|
17.
779 + 155 =
2
3
4
934
|
18.
677 + 11 =
4
3
2
688
|
19.
497 + 207 =
2
4
3
704
|
20.
331 + 492 =
4
823
3
2
|