1. Everyday mathematics grade 4
Lesson 4.10 Measuring in Millimeters
Objective: to guide students as they measure lengths to the nearest milliemter; and to provide proactice converting measurements between millimeters and centimeters.

2. Math message Complete problems 1-4 on workbook page 101.
When you are done, cut out the cm/mm rulers in your folder. Fold your ruler carefully along the center line. Use a highlighter to mark mm and cm on the ruler so that the units are easy to see.
Where do you start measuring from when using a ruler? The end of the ruler, or at 0? Why?

3. converting In your ISN’s, do the following conversions. 1 cm = _____mm
10 mm = _____cm
1mm = ____cm
4 cm = _____mm
130 mm = ______cm
4 mm = ____cm
2.3cm = _____mm
42 mm = ______cm
8 mm = ______cm

4. Measuring invertebrates
In your workbook – pages
Begin by reading about measuring land invertebrates on page 101.
Examine the images of land invertebrates on page 102.
Complete workbook page 103 – you may work with a partner if you’d like.

5. Math boxes Math boxes for lesson 4.10 are on page 104.
Please complete these independently.

6. homework
Homework for this lesson is page 133 – decimals and metric units.