I have never heard "a pair of ruler" but I wouldn't be surprised if someone on this planet said it that way.
Singular
I have a ruler.
Here, borrow my ruler.
Thank-you for lending me your ruler.
Plural
Teacher, I can lend John one of my three rulers.
John now has one ruler and I still have two rulers.
When John returns the ruler he borrowed from me, I will again have three rulers.
Others thought it was odd that I kept three rulers in my desk when most students only have one ruler.
Ruler as a person
A ruler is the head of a country. 9singular)
Historians have identified the early rulers of most nations. (plural)
While some people may say "pair of rulers" when they mean "two rulers of two different countries", it is better to use a number, such as "Countries could experience conflict if they had two rulers at the same time."
A pair of calipers or a ruler would be suitable tools to measure the size of a bull ant. Make sure to handle the ant carefully during measurement to avoid any harm.
I'll say a ruler . . . you can do that job with only one of them.
Jupiter is the Roman name for the ruler of the gods.
To find the precision on a ruler, look at the smallest division or marking on the ruler, as this indicates the precision of measurements that can be made using the ruler. For example, if the ruler is marked in millimeters and the smallest division is a millimeter, the precision is 1 millimeter.
To record measurements using a ruler, place the ruler next to the object to be measured. Ensure that the zero mark on the ruler aligns with one end of the object. Read the measurement where the other end of the object falls on the ruler and record it in the appropriate units.
spring king
To say 'I have a ruler' in Spanish, you would say, 'Tengo una regla.'
ruler in french is regle
Narrow Pharaoh.
The ruler (wooden rule) would be la regla.
In Navajo, "ruler" can be translated as "naatสผรกanii binaaltsoos."
A pair of compasses, a protractor, a ruler, pencil and paper
Usually a pair of compasses, a protractor and a straight edge such as a ruler.
No, it is not grammatically correct to say "a pair of clothes." The correct phrase is "a pair of pants" or "a pair of shoes" because these items come in pairs. "Clothes" is a plural noun.
A ruler: une règle. A pencil: un crayon.
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