Math · Topic 92 of 124
Measuring with Rulers
⭐ MasteredA ruler measures length by lining up one end of an object with the zero mark. Read the number where the other end finishes, and check whether the ruler is in centimetres or inches.
💡 Fun fact
The first rulers were probably made of wood or bone and used by ancient builders.
All about Measuring with Rulers
A ruler measures length by lining up one end of an object with the zero mark. Read the number where the other end finishes. Rulers often show centimetres on one side and inches on the other, so check which unit you are using.
The first rulers were probably made of wood or bone and were used by ancient builders. Accurate measuring is important in building, cooking and science.
🎮 Try it yourself!
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