Question 16
How long is a piece of string?
You will need: a piece of string 1 metre long; a pair of scissors; a metre ruler; paper for recording.
Work with a partner. Take turns to cut off a piece of string.
Estimate the length that you cut off, then measure it.
Repeat the estimating and measuring. Make 3 cuts each.
Estimate and measure the length of string that is left.
One child says: *I think you cut off 18 centimetres of string.*
The other child says: *I think I cut off more than that. I think I cut off 24 centimetres of string.*
Tip: When you measure length it is important to measure from the start of the measuring scale.
You will need: a piece of string 1 metre long; a pair of scissors; a metre ruler; paper for recording.
Work with a partner. Take turns to cut off a piece of string.
Estimate the length that you cut off, then measure it.
Repeat the estimating and measuring. Make 3 cuts each.
Estimate and measure the length of string that is left.
One child says: *I think you cut off 18 centimetres of string.*
The other child says: *I think I cut off more than that. I think I cut off 24 centimetres of string.*
Tip: When you measure length it is important to measure from the start of the measuring scale.
