Topic 1 review

1-1 Number 1:

91.2 + 89.9

1-1 Number 3:

5 x 98.2

1-1 number 5:

62.99 - 10.83

1-1 Number 7:

4.4 x 6

1-1 Number 9:

24.52 - 9.6

1-1 Number 11:

12.5 x 163.2

1-2 Number 1:

 $9.6\ \div\ 1.6$  

1-2 Number 3:

 $13.2\ \div\ 0.006$   

1-2 Number 5:

 $45\div4.5$  

1-2 Number 7
 $1.26\div0.2$