Aftrekken
1 / 20
Items in this lesson
Slide 1 - Slide
20 - 9 =
A
10
B
11
C
21
D
12
Slide 2 - Quiz
3 - 2 =
A
6
B
3
C
1
D
4
Slide 3 - Quiz
12 - 8 =
A
10
B
20
C
6
D
4
Slide 4 - Quiz
25 - 11 =
A
20
B
13
C
14
D
26
Slide 5 - Quiz
32 - 4
A
20
B
28
C
30
D
29
Slide 6 - Quiz
8 - 2 =
A
10
B
4
C
6
D
2
Slide 7 - Quiz
42 - 10 =
A
22
B
40
C
28
D
32
Slide 8 - Quiz
18 - 7 =
A
11
B
15
C
12
D
13
Slide 9 - Quiz
6 - 3 =
A
2
B
9
C
3
D
4
Slide 10 - Quiz
100 - 35 =
A
55
B
65
C
45
D
75
Slide 11 - Quiz
45 - 12 =
A
33
B
35
C
34
D
30
Slide 12 - Quiz
17 - 8 =
A
12
B
11
C
15
D
9
Slide 13 - Quiz
26 - 7 =
A
15
B
19
C
11
D
21
Slide 14 - Quiz
30 - 12 =
A
12
B
14
C
20
D
18
Slide 15 - Quiz
44 - 33 =
A
20
B
21
C
10
D
11
Slide 16 - Quiz
15 - 7 =
A
11
B
9
C
8
D
14
Slide 17 - Quiz
45 - 13 =
A
15
B
32
C
23
D
11
Slide 18 - Quiz
75 - 10 =
A
45
B
55
C
65
D
25
Slide 19 - Quiz
99 - 15 =
A
84
B
75
C
46
D
33
