This week I worked on....

this week i worked on maths goal 9 multiplication and division 

427 x 4 =

400 x 4 +  20 x 4 +  7 x 4 

1600 + 80 + 28 

= 1708

884 x 5 = 

800 x 5 + 80 x 5 + 4 x 5

4500 + 450 + 45

= 4995