Show:
Arrays
Number Line
Set Model
Repeated Addition
Choice
100

2x4

8

100

1x7

7

100

1x9

9 

100

2x8

16

100
3x3

9

200

7x1

7

200

4x5

20

200

4x6

24

200

6x2

12

200

3x4

12

300

6x9

54
300

5x10

50

300

7x3

21

300

3x9

27

300

8x8

64

400

8x4

32

400

9x5

45

400

9x2

18

400

10x4

40

400

5x7

35

500

5x8

40
500

10x6

60

500

6x8

48

500

10x3

30

500

9x5

45