Multiplication with the Answer Given

A

100

10

2 x 5 or 1 x 10

200

30

1 x 30 or 6 x 5 or 2 x 15

300

33

1 x 33 or 3 x 11

400

16 x 8

128

500

164 x 8

1312

B

100

20

2 x 10 or 4 x 5

200

40

1 x 40 or 2 x 20 or 4 x 10

300

42

6 x 7 or 1 x 42 or 2 x 21 or 3 x 14

400

13 x 7 

91

500

1376 x 5

6880

C

100

4

1 x 4 or 2 x 2

200

25

1 x 25 or 5 x  5

300

36

6 x 6 or 1 x 36

400

9 x 35

315

500

886 x 8

7088

D

100

11

1 x 11

200

9

1 x 9 or 3 x 3

300

48

6 x 8 or 4 x 12 or 1 x 48 or 3 x 16

400

64 x 7

448

500

5623 x 4

22492

E

100

15

1 x 15 or 3 x 5

200

12

1 x 12 or 2 x 6 or 3 x 4

300

49

1 x 49 or 7 x 7

400

77 x 7

539

500

3682 x 3

11046