Measuring length
Order three objects by length and compare the lengths of two objects indirectly using a third object
Teaching approaches
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1 approach
If your child has three pencils of different lengths but can only compare two at a time, can they figure out which is longest — by using a third pencil as a go-between?
Order three objects by length and compare the lengths of two objects indirectly using a third object
Learning resources
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This concept
Check understanding
- Put three ribbons in order from shortest to longest
- Use a piece of string to compare the heights of two objects that cannot be placed side by side
- Explain that if A is longer than B and B is longer than C, then A is longer than C
“If your child has three pencils of different lengths but can only compare two at a time, can they figure out which is longest — by using a third pencil as a go-between?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Measurement
- Age range
- Ages 6–7
Standards