Optellen
1 / 20
Items in this lesson
Slide 1 - Slide
1 + 2 =
A
1
B
2
C
3
D
4
Slide 2 - Quiz
8 + 2 =
A
12
B
10
C
6
D
11
Slide 3 - Quiz
10 + 12
A
2
B
20
C
21
D
22
Slide 4 - Quiz
32 + 11
A
33
B
43
C
53
D
42
Slide 5 - Quiz
6 + 8 =
A
14
B
15
C
13
D
17
Slide 6 - Quiz
3 + 12 =
A
12
B
14
C
15
D
13
Slide 7 - Quiz
20 + 6 =
A
25
B
22
C
24
D
26
Slide 8 - Quiz
9 + 8 =
A
17
B
18
C
19
D
20
Slide 9 - Quiz
8 + 16 =
A
23
B
22
C
24
D
26
Slide 10 - Quiz
12 + 4 =
A
14
B
16
C
15
D
18
Slide 11 - Quiz
7 + 8 =
A
15
B
17
C
18
D
16
Slide 12 - Quiz
3 + 3 =
A
5
B
7
C
8
D
6
Slide 13 - Quiz
7 + 9 =
A
19
B
16
C
18
D
15
Slide 14 - Quiz
23 + 12 =
A
40
B
38
C
35
D
32
Slide 15 - Quiz
5 + 8 =
A
14
B
13
C
11
D
18
Slide 16 - Quiz
6 + 14 =
A
15
B
22
C
18
D
20
Slide 17 - Quiz
6 + 23 =
A
29
B
31
C
35
D
33
Slide 18 - Quiz
40 + 11 =
A
41
B
51
C
44
D
52
Slide 19 - Quiz
3 + 18 =
A
20
B
18
C
21
D
25
