3. Height of a door 1m 2m 3m 4m Length of a school swimming pool 90cm 3m 50m 400 m Height of a coffee mug 3cm 10cm 60cm 1m Length of a school table 50cm 80cm 2m 10m Height of a school chair 30cm 80cm 2m 10m Length of the classroom 60cm 5m 15m 50m
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10. Mark these points on the ruler A = 26cm B = 8cm C = 29cm D = 12cm E = 3cm F = 20cm Mark these points on the ruler A = 28cm B = 5cm C = 15cm D = 9cm E = 30cm F = 16cm 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
11. Mark these points on the ruler A = 19cm B = 5cm C = 27cm D = 21cm E = 9cm F = 2cm Mark these points on the ruler A = 14cm B = 10cm C = 28cm D = 17cm E = 8cm F = 21cm 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30