MEASURING RULES
What must we NOT have when measuring?
gaps or overlaps
What is a unit?
something we use to measure
Which word means bigger length?
longer
What should your units be doing when measuring?
touching
What should you do before measuring?
estimate
Where should you start measuring?
at the edge / beginning
Name one informal unit we used
cubes / sticks / paperclips
Which word means smaller length?
shorter
What do you do if you lose count?
start again / mark as you go
Why might two students get different answers?
used different units / measured incorrectly
Why must we use the same unit?
so it is fair
Which gives a bigger number: small units or big units?
small units
How do we check which object is longer?
line them up
What does 'iterate' mean?
repeat the same unit
Is guessing a good way to measure? Why?
no, we need to check
What does 'end to end' mean?
units touching in a straight line
Why do smaller units give bigger numbers?
you need more of them
What makes a comparison unfair?
not starting at the same point
How can you make sure your measurement is accurate/fair?
same unit, no gaps, start at edge
Which is more important: neatness or accuracy?
accuracy
What would happen if we left gaps?
the measurement would be wrong/inaccurate
Can different units give different answers for the same object? Why?
yes, because they are different sizes
Can two objects look different but be the same length?
yes
Why is counting carefully important?
so the measurement is correct
Can all answers be correct even if the numbers are different? Explain
yes, if different units are used