Volume

P5 Math

Home Based Learning Lesson

What will you learn?

1. The purpose of knowing volume2. Understand the units used to express volume are in cubic units3. How to calculate the volume of a rectangular tank (or prism)4. Understand the formula

Volume = Length x Width (or breadth) x Height

5. Understand that 1 mL = 1cm3

The purpose of knowing volume

Watch the slides from the following website (next page) until the slideshow stops.

Explore the assigned lesson on that website until you have completed watching the slides and tried out the questions.

Are you ready?

The purpose of knowing volume

Follow the steps below after you click on here.

Step 1: You will see a black page. Click on “Play Intro” when those words appear.

Step 2: You will then see a green page. Click on “Lessons” and click “Lesson 15: Volume and Displacement”.

The purpose of knowing volume

Step 4: You would have completed watching everything on Spy Guys on Volume and Displacement. Now, you should be ready to answer the following questions.Answer the following questionWhat is the purpose of finding volume?1. It is fun.2. It is useful.3. It helps us to know the amount of space a container can hold, so we can make a better decision when we buy something like an oven or refrigerator.

The purpose of knowing volume

Answer the following questions.What is the purpose of finding volume?1. It is fun.2. It is useful.3. It helps us to know the amount of space a container can hold, so we can make a better decision when we buy something like an oven or refrigerator.

Wrong!

Click here to try again.

Correct!

Knowing the volume of a box like a cooler, I will know how much ice I can put inside.

Knowing the volume of a water bottle will tell me how much water can be stored inside.

Knowing the volume of a cup tells me how much coke I can drink from it!

Understand the units used to express volume are in cubic units

Which of the following can be used to express volume? There can be more than 1 answer. Decide carefully before checking the answers on the next page.

1. cubic units 5. m2

2. cm2 6. mL for millilitres

3. cm2 7. L for litres

4. m3 8. km for kilometres

Answer

1. cubic units Correct.

2. cm2 Wrong. For area

3. cm3 Correct.

4. m3 Correct.

5. m2 Wrong. For area

6. mL for millilitres Correct.1 mL=1 cm3

7. L for litres Correct.

8. km for kilometres Wrong. For distance

Calculating Volume

Read each question carefully. Note the figures and units. Find the volume of each rectangular container.Write your working and answers down on your foolscap paper. The answers will be on the final page.But before you start, lets play with some cubes here. This website will help you visualise volume better

Calculating Volume

1. Find the volume of the tank below. You may go to here, key in the values for length, width and height, to find to volume.

10 cm

5 cm

5 cm

Calculating Volume

2. Find the volume of the tank below. You may go to here, key in the values for length, width and height, to find to volume.

5 cm

5 cm

5 cm

Calculating Volume

3. Find the volume of the tank below. You may go to here, key in the values for length, width and height, to find to volume.

5 cm

5 cm

8 cm

Calculating Volume

4. Find the volume of the tank below. You may go to here, key in the values for length, width and height, to find to volume.

10 m

5 m

8 m

Calculating Volume

5. Find the volume of the tank below. You may go to here, key in the values for length, width and height, to find to volume.

8 cm

8 cm

8 cm

Calculating Volume

6. Find the volume of the tank below. You may go to here, key in the values for length, width and height, to find to volume.

12 m3 m

3 m

Calculating Volume

6. Find the volume of the tank below. You may go to here, key in the values for length, width and height, to find to volume. Express your answer in mL.

12 cm3 cm

6 cm

Answers1 10cm x 5cm x 5cm = 250cm3

2 5cm x 5cm x 5cm = 125cm3

3 5cm x 5cm x 8cm = 200cm3

4 10m x 5m x 8m = 400m3

5 8cm x 8cm x 8cm = 4096cm3

6 12m x 3m x 3m = 108m3

7 12cm x 3cm x 6cm = 216cm3

= 216mL

Homework

Email your homework to your Math Teacher by Friday night, 3rd July.

You will need to use the homework template given to type in your working and answer.

Do make sure to express your answers with the correct units.

Homework

Your homework is:1. Read your 5A Math course book, pages 106 - 111. Practice drawing cubes on isometric grids here before drawing with pencil in your course book. 2. Read your 5A Math course book, pages 112 - 117. Work out the answers in your course book in pencil.