Multiplying by 7

 $0\times7$  

Answer explanation

0

 $1\times7$  

Answer explanation

7

 $2\times7$  

Answer explanation

14

 $3\times7$  

Answer explanation

21

 $4\times7$  

Answer explanation

28

 $5\times7$  

Answer explanation

35

 $6\times7$  

Answer explanation

42

 $7\times7$  

Answer explanation

49

 $8\times7$  

Answer explanation

56

 $9\times7$  

Answer explanation

63