Session 1. Metric ruler Measurement Using centimetres and millimetres Length conversions BY Zani Alam.

Session 1

Metric rulerMeasurement

Using centimetres and millimetres

Length conversions

BY Zani Alam

In this session:1- pre-test2- Measurement video 3- PPP4- Tape measure and trundle wheel5- worksheets 6-Feedback

Video shared on TED-ED

http://ed.ted.com/on/MPoNGhvl

There are 10 mm in 1 cm

Using the ruler

79 mm

7.8 cm =78mm

Measurement Conversion

The most common metric units of length are: millimeter

centimeter meter

kilometer

14

Metric Units of Length

To change from a large unit to a small unit - multiply

Measurement Conversion

To change from a small unit to a large unit - divide

Metric Units of Length

To change from a large unit to a small unit - multiply

Measurement Conversion

To change from a small unit to a large unit - divide

Metric Length ConversionExample

s:3 m = _____ cm 1 m = 100 cm

3 x 100 = 300

300Large to small

1 m

is equal to

3 m100 cm 300 cm

X 100

17

Metric Length ConversionExample

s:40 mm = ___ cm

10 mm = 1 cm

40 ÷ 10 = 4

4Small to large

as(just like)

Relating factor

1 cm

is equal to

4 cm10 mm 40 mm

÷ 10

Activities inside the classroom. Numeracy

outside the classroom:Use a trundle wheel to measure 1- The length of the corridor2- distance form the learning centre to the steps.

Use the ruler to measure the following:

Use a metric tape to measure the length of:1- The notice board2- The width of the notice board.3- The length of the smart board4- The length and width of the door.Convert to cm

Activity for the advanced students

Feedback