Four Operations on Numbers

 $31+12=$  

 $3-19=$  

 $15\times2=$  

 $22\div4=$  

 $5+3-7=$  

 $41-17+5=$  

 $6-2+4=6+4-2$  

Are they the same?

• Yes

• No

• Not sure

 $11-31+9=11-9+31$  
Are they the same?

• Yes

• No

• Not sure

 $80\div20\times6=$  

 $5\times18\div9=$