Singapore Mathematics/ratio
From APEC HRDWG Wiki
Ratio in Primary 5 - Primary 6
Ratio Primary 5:
| Ratio | Include: • interpretation of a : b and a : b : c, where a, b and c are whole numbers, • writing equivalent ratios, • expressing a ratio in its simplest form, • finding the ratio of two or three given quantities, • finding the missing term in a pair of equivalent ratios, • finding one quantity given the other quantity and their ratio, • solving up to 2-step word problems involving ratio. Exclude ratios involving fractions and decimals. |
Ratio Primary 6:
| Ratio | Include: • expressing one quantity as a fraction of another, given their ratio, and vice versa, • finding how many times one quantity is as large as another, given their ratio, and vice versa, • expressing one quantity as a fraction of another given the two quantities, • finding the whole/ one part when a whole is divided into parts in a given ratio, • solving word problems involving 2 pairs of ratios. |
