Sprint 1 · Chapter 1

Ten Thousand And Five Places

9,999 plus 1 makes 10,000. Meet the fifth place, and read numbers on an abacus.

1. 1Nine Thousand Plus One
2. 2The Pattern of Plus One
3. 3Check the Boundary
4. 4The Five Places
5. 5Numbers on the Abacus
6. 6Reading 23,141 Rod by Rod
7. 7Now You Read 61,203
8. 8Write What the Abacus Shows
9. 9Put It on the Abacus