[r]
(1)1) Finish the number lines: a b c d e
0 10 20 30 40 50 60 80 90 100
0 40 60 80 100 120 160 180 200
10
4 6
22
12 14 16 18 20
100 150 200 250 350 400 450 500 550
(2)2) Draw a line and number to show where45is on the number line:
3) Draw a line and number to show where850is on the number line:
4) Draw a line and number to show where125 is on the number line:
5) Draw a line and number to show where1479 is on the number line:
0 10 20 30 40 50 60 70 80 90 100
500 600 700 800 900 1000 1100 120 1300 1400 1500
50 100 150 200 250 300 350 400 450 500 550
(3)(4)(5)