- Performing 10 3- or 4-digit sums beyond 10,000. All work is timed.
- Developing mental arithmetic skills on 10 double-digit sums using mental flash anzan app.
- Developing mental computations involving 4 3-digit sums.
- Developing mental arithmetic skills on two by two digits multiplication.
- Developing mental divisions involving double-digit divisors.
- Consolidating on completing three by two-digit multiplication using the abacus.
- Performing five by two-digit division using the abacus.