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9 Look at the abacus and write the number.
(a) H T O (b) H T O (c) H T O
H T O H T O H T O
(d) (e) (f)
10 Draw beads on the abacus to represent the numbers.
H T O H T O H T O
(a) (b) (c)
537 251 706
(d) H T O (e) H T O (f) H T O
942 380 829
37
