Common factors and multiples
Find the highest common factor and lowest common multiple of two numbers.
Taught in Primary 6 in Nigeria (NERDC), Year 6 in United Kingdom (National Curriculum), Grade 6 in Canada (Ontario).
Nigeria (NERDC)
Primary 6
- Strand
- Number and Numeration
- Called
- HCF and LCM
- How it's taught
- Count with concrete objects (bottle tops, counters) and chorus counting; numerals written and read aloud; place value shown with bundles of tens.
United Kingdom (National Curriculum)
Year 6
- Strand
- Number and Place Value
- Called
- Common factors and multiples
- How it's taught
- Use tens frames, Dienes/base-ten apparatus and part-whole models; number lines are central; place-value charts before formal recording.
Canada (Ontario)
Grade 6
- Strand
- Number
- Called
- Common factors and multiples
- How it's taught
- Represent numbers with a variety of tools (ten-frames, base-ten blocks, number lines) and contexts; students explain their reasoning and compose/decompose numbers flexibly.