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PlumoBOX
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Abacus
Move the beads to write and read numbers.
Grade 1
Grade 2
Grade 3
Grade 4
Grade 5
Mode
Free play
Match a number
Value
0
×1 000
0
+
−
0
×100
0
+
−
0
×10
0
+
−
0
×1
0
+
−
0
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