Lesson: Estimating Length: Metric Units Mathematics • 4th Grade

In this lesson, we will learn how to estimate the lengths of different real-life objects by choosing the most logical unit of length and value in metric units.

Lesson Plan

Students will be able to

choose to measure the length or height of objects in either millimetres, centimetres, metres, or kilometres,
select the most likely length of an object,
estimate the lengths of objects.

Lesson Video

Lesson Playlist

02:21
02:10

Lesson Worksheet

Q1:

Which of the following is the best estimate for the length of a pen?

Q2:

Which measurement below is closest to the length of a car?

Q3:

Which of the following is a reasonable length for a tennis racket?