Looking at length

Looking at length

Pencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about estimating, then measuring, length.
You will be given a pencil and a book to measure.  First, estimate the length of each item then measure it and record your answers.

Question

a)  About how many millimetres long is the pencil? (Select one)

    • 75 mm

    • 125 mm

    • 175 mm

    • 225 mm

Question

b)  About how many millimetres long is the exercise book? (Select one)

    • 255 mm

    • 295 mm

    • 335 mm

    • 375 mm

Question 1Change answer

c)  Measure the length of the pencil and the length of the exercise book using the ruler.
     Write your measurements in the table below.
Object Measurement
 
pencil
 
           mm
 
exercise book
 
           mm
 
Task administration: 
This task can be completed with pencil and paper or online (with SOME auto-marking).
 
Equipment
New pencil; 1B5 exercise book; 30 cm ruler.
  • For the estimation part of this task give each student a pencil and an exercise book.
  • For the measurement part, give each student a 30 cm ruler.
Level:
4
Curriculum info: 
Maths, Geometry and Measurement, Measurement
Keywords: 
estimation, length, reading scales, practical
Description of task: 
In this practical task, students estimate the length of two common classroom objects, then check their estimates with a ruler.
Curriculum Links: 
This resource can help to identify students' understanding of measuring length .
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Measurement sense, sets 6-7
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
 

a)

175 mm
b) 255 mm
c)

New pencil 173-177 [Answers may vary with brand of pencil.]
1B5 exercise book 253-257