🤔 Estimate Then Measure

Make a smart guess, then check it with a ruler.

Page 1 of 2
1) Estimate, then measure
Find a real object like each picture. First make a guess. Then use a ruler to measure the real object in centimetres.
pencil
My Estimate: cm
Actual Length: cm
paperclip
My Estimate: cm
Actual Length: cm
shoe
My Estimate: cm
Actual Length: cm
book
My Estimate: cm
Actual Length: cm
crayon
My Estimate: cm
Actual Length: cm
2) Longer, shorter, or same?
Compare each pair of lines. Circle L for longer, S for shorter, or = for same.
left line
L
S
=
left line
L
S
=
left line
L
S
=
Answers: 1) answers will vary — check that the actual measurement uses a real ruler correctly  |  2) Longer, Shorter, Same

🤔 Estimate Then Measure

Put lengths in order and think about facts.

Page 2 of 2
3) Order from shortest to longest
Write 1st, 2nd, 3rd, and 4th to show the order.
4) True or False
Circle T for true or F for false.
A longer object always weighs more.
T
F
You can compare two lengths by lining up their ends.
T
F
Two lines can be the same length.
T
F
A ruler helps you measure length.
T
F
Answers: 3) A = 1st, C = 2nd, B = 3rd, D = 4th  |  4) False, True, True, True