How many centimetres?

Overview

Using this Resource

Connecting to the Curriculum

Marking Student Responses

Further Resources

This task is about estimating and measuring length.

Question

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

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

c) Use a ruler to measure as accurately as you can, the length of the pencil and the length of the exercise book.

Write your measurements in the table below.

c) Use a ruler to measure as accurately as you can, the length of the pencil and the length of the exercise book.

Write your measurements in the table below.

Task administration:

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 to look at.
For the measurement part, give each student a 30 cm ruler to use.

Level:

Curriculum info:

Keywords:

Description of task:

In this practical task, students estimate, then measure, the length of two objects using a ruler.

Curriculum Links:

This resource can help to identify students' understanding of estimating and measurememnt of length.

Learning Progression Frameworks

This resource can provide evidence of learning associated with

within the Mathematics Learning Progressions Frameworks.

Answers/responses:


a)	18
b)	25
c)	17.25-17.75 [Answers may vary with different brands of pencils.] 25.25-25.75 [Accept answers expressed as fractions or measurements given as cm and mm.]