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Mathematics MLP P.2
Lesson 1: VOLUME
Prepared By: Ms. Myrafe Rivera/Mr. Pak-poj Meteepisit
Volume
Vocabulary Words10.less than = น้�อยกว่�า
11. more than = มากกว่�า
12. least = น้�อยที่��สุ�ด
13. cylinder = ที่รงกระบอก
14. guess = เดา15. actual = ว่�ดจร�ง
16. beaker = ถ้�ว่ยตว่ง
17. fewer = น้�อยลง
1. volume = ปร�มาตร
2. containers = ภาชน้ะบรรจ�
3. estimate = ประมาณ
4. measure = ว่�ด5. compare = เปร�ยบเที่�ยบ
6. amount = จ�าน้ว่น้7. similar = เหม!อน้
ก�น้8. as much as = มากเที่�าก�น้ก�บ
9. most = มากที่��สุ�ด
Measuring VolumeLet us fill a
container with water. The amount of water is called the volume of water.
A B
Bottles A and B contain the same amount of milk.
Comparing VolumesBottles A and B
are similar.
Comparing Volume
A
B
CJug ____ contains the least amount of water.Jug ____ contains more water than Jug A. Jug ____ contains the most amount of water.
Measuring volume in liters
This is a bottle of milk. It contains 1 L of milk.
This is a glass of milk. It contains less than 1 L of milk.
L stands for liter.
Some containers which can contain less than 1 liter liquid are the following:
What is the name of these objects?
Fills 8 cups of milk
Fills 2 cups of milk
Fills 4 cups of milk
(a) The _____ has the least amount of milk.
Bottle
Jug
mug
(b) The _____ has the most amount of milk. (c) The jug has _____ more glasses of milk than a bottle.
What is the volume of water in each container? Fill in the blanks.
50 l
40 l
30 l
20 l
10 l
Volume of water = 20 l or 20 liters.
(a)
50 l
40 l
30 l
20 l
10 l
Volume of water = ____or ______.
(b)
The volume of water in the jug is _______l
The volume of water in the pail is _______l
Fill in the blanks
The pan has _______l of water
The pail has _______l of water
Addition and Subtraction of volumes
15 l
A B C
Look at the containers below. Then fill in the blanks
(a) Container A has _______l more water than container B.(b) Container C has _______l more water than container A.(c) Container B has _______l less water than container C.(d) The total amount of water in the three containers is _______l .
Do these word problemsA tank contained 23 l of water.Dennis poured another 27 l of water.How much water does the tank contains now?
__________ __________ __________=
The tank contains ____ l of water now.
A pail contained 30 l of water.Jennifer watered the garden and used 16 l of water.How much water does the pail contains after watering the garden?
__________ __________ __________=
The pails contains ____ l of water now.
The END