keer sommen
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Items in this lesson
Slide 1 - Slide
9x5
A
40
B
33
C
23
D
45
Slide 2 - Quiz
4x7
A
28
B
27
C
46
D
78
Slide 3 - Quiz
6x3
A
20
B
16
C
18
D
23
Slide 4 - Quiz
4x3
A
12
B
8
C
17
D
3
Slide 5 - Quiz
8x2
A
8
B
16
C
6
D
2
Slide 6 - Quiz
5x8
A
30
B
40
C
23
D
8
Slide 7 - Quiz
5x1
A
5
B
2
C
8
D
6
Slide 8 - Quiz
4x2
A
3
B
44
C
54
D
8
Slide 9 - Quiz
10x10
A
100
B
25
C
40
D
90
Slide 10 - Quiz
6x2
A
4
B
12
C
18
D
20
Slide 11 - Quiz
3x3
A
13
B
4
C
6
D
12
Slide 12 - Quiz
4x8
A
43
B
15
C
32
D
28
Slide 13 - Quiz
2x10
A
20
B
200
C
2
D
2000
Slide 14 - Quiz
6x7
A
31
B
42
C
33
D
13
Slide 15 - Quiz
5x5
A
25
B
30
C
20
D
10
Slide 16 - Quiz
8x6
A
40
B
48
C
56
D
64
Slide 17 - Quiz
9x9
A
13
B
4
C
18
D
81
Slide 18 - Quiz
8x8
A
64
B
22
C
63
D
6
