1. 1 Points on the Number Line Press Ctrl-A ©2009 G Dear – Not to be sold/Free to use Stage 4 Years 7 & 8

2. 2 -4 -3 -2 -1 0 +1 +2 +3 +4 Set Notation Points on the Number line List them between braces. { } { } -4,-3,-1,+1, +3, +4 End of Slide

3. 3 -4 -3 -2 -1 0 +1 +2 +3 +4 Plot Points from Set Notation. { -3, -2, 0, +2, +4 } Set Notation End of Slide

4. 4 -4 -3 -2 -1 0 +1 +2 +3 +4 Comparison of Directed Numbers On the Number line Numbers to the right are larger. Therefore 0 is larger than -2. Numbers to the left are smaller. Therefore -2 is smaller than 0. End of Slide

5. 5 -4 -3 -2 -1 0 +1 +2 +3 +4 Comparison of Directed Numbers On the Number line Numbers to the right are larger. Therefore +4 is larger than -4. Numbers to the left are smaller. Therefore -4 is smaller than +4. End of Slide

6. 6 -4 -3 -2 -1 0 +1 +2 +3 +4 Comparison of Directed Numbers Which is larger? -1 or +2. -4 or -2. -1 or -2. -3 or -1. 0 or -3. End of Slide

7. 7 -4 -3 -2 -1 0 +1 +2 +3 +4 Comparison of Directed Numbers Add a (greater than) symbol -1 +2. -4 -2. -1 -2. -3 -1. 0 -3. < > < < > End of Show