Quick 3 Questions - Maths :)

1. 6 x 147 = 882

6 x 100 = 600

6 x 40 = 240

6 x 7 = 42

600 + 240 + 42 = 882

      2.  6 x 1,180 = 7,080

6 x 1000 = 6000

6 x 100 = 600

6 x 80 = 480

6000 + 600 + 480 = 7,080

      3.  147 x 4 = 3,588

4 x 100 = 400

4 x 40 = 160

4 x 7 = 28

400 + 160 + 28 = 3,588