©2009 G Dear – Not to be sold/Free to use Stage 4 Years 7 & 8 Directed Numbers Multiplication Division Press Ctrl-A ©2009 G Dear – Not to be sold/Free to use

Multiplication of Directed Numbers +x+ }+ -x- Like Signs +x- }- MathScape Ex 7.4 -x+ Unlike Signs

Multiplication of Directed Numbers +3 x -2 = - 6 +3 x +4 = + 12 -4 x +5 = - 20 MathScape Ex 7.4 -3 x -2 = + 6

Multiplication of Directed Numbers -5 x -3 = + 15 +3 x -7 = - 21 +9 x +2 = + 18 MathScape Ex 7.7 -6 x +3 = - 18

Division of Directed Numbers +÷+ }+ -÷- Like Signs +÷- }- MathScape Ex 7.4 -÷+ Unlike Signs

Division of Directed Numbers -15 ÷ -3 = + 5 - 6 +42 ÷ -7 = +20 ÷ +2 = + 10 MathScape Ex 7.7 -36 ÷ +3 = - 12

Division of Directed Numbers -22 ÷ 11 = - 2 +25 ÷ -5 = - 5 +27 ÷ +3 = + 9 MathScape Ex 7.7 -44 ÷ +4 = - 11