$8\times6=$  

(a)  

 $24\div3=$  

(a)  

 $72\div9=$  

(a)  

 $5\times\Delta=25\$  Solve for the missing variable

(a)  

 $100\div\beta\ =10$  Solve for the missing variable

(a)  

 $\left(2+4\right)\times10=$  

(a)  

 $3\times\left(5+5\right)=$  

(a)  

 $8\times\left(4+1\right)=$  

(a)  

 $5\times4=$  

(a)