# Singapore P2 Whole numbers

number, rate; apply.

System: Singapore MOE Primary Mathematics
Route: /math/standards/singapore-primary/curratom-singapore-moe-p2-whole-numbers-addition-and-subtraction-add-subtract-1000-place-value-strategies-written
Skills: 3

## Skills and Examples

- [Add Sub Within 1000 Algorithm](/math/skills/nbt/add-sub-within-1000-algorithm) — Whole-Number Operations and Fact Fluency
- [Add Sub Within 1000 Models](/math/skills/nbt/add-sub-within-1000-models) — Whole-Number Operations and Fact Fluency
- [Rate Unit Rate Readiness](/math/skills/prealg/rate-unit-rate-readiness) — Ratio, Rate, Scaling, and Proportional Readiness