Singapore Math Level 2A & 2B – Unit 14: Volume: In this unit, we will explore the concept of volume. The lesson covers how to calculate the volume of different 3D objects such as boxes, with step-by-step explanations. Students will learn the formulas for volume and how to apply them to solve problems effectively.
Examples:
1.
(a) Which cup contains the most water? Cup A
(b) Which cup contains the least water? Cup B
2. 
(a) Which jug contains the least water? Jug B
(b) Which jug contains the most water? Jug C
(c) How many fewer flasks of water can Jug A hold than Jug C? 9 – 5 = 4
(d) How many more flasks of water can Jug C hold than Jug B? 9 – 3 = 6
3. 
How many liters of water does the container hold?
The container holds 3 liters of water.
4. Uncle Norman filled 6 fish tanks with water. Each fish tank contained 4 gallons of water. How many gallons of water did Uncle Norman use to fill the fish tanks?
Uncle Norman used 24 gallons of water to fill the fish tanks.
Singapore Math Level 2A & 2B – Unit 14: Volume solution
Fill in each blank with more or less.
1.
(a) Bottle A contains ———— water than Bottle B.
(b) Bottle B contains ———— water than Bottle A.
Solution:
(a) Bottle A contains more water than Bottle B.
(b) Bottle B contains less water than Bottle A.
2.
(a) Cup B contains ———– water than Cup A.
(b) Cup A contains ———– water than Cup B.
Solution:
(a) Cup B contains less water than Cup A.
(b) Cup A contains more water than Cup B.
(3-5). Fill in each blank with the correct answer.
3.
(a) Container ————- has the greatest volume of water.
(b) Container ————- has the least volume of water.
Solution(3):
(a) Container D has the greatest volume of water.
(b) Container B has the least volume of water.
4.
(a) Container ———– has the greatest volume of water.
(b) Container ———– has the least volume of water.
Solution:
(a) Container B has the greatest volume of water.
(b) Container A has the least volume of water.
5.
(a) Container D has the greatest volume of water.
(b) Container B has the least volume of water.
6. Study the pictures carefully. Fill in each blank after observing the pictures.
(a) The ————- holds the greatest volume of water.
(b) The ————- holds the least volume of water.
(c) The teapot holds ————- more glasses of water than the bowl.
(d) The bowl holds ————- fewer glasses of water than the jug.
Solution:
(a) The jug holds the greatest volume of water.
(b) The bowl holds the least volume of water.
(c) The teapot holds 5-2=3 more glasses of water than the bowl.
(d) The bowl holds 8-2=6 fewer glasses of water than the jug.
Write the volume of water in each container on the lines below.
Solution:
7. 3
8. 5
9. 15
10. 2
Look at each picture carefully and fill in the blanks.
11.
Solution:
1+1+1=3;
Thomas used 3 L of water to water his plants.
12.
Solution:
2+2+2+2=8;
Josefina used 8 gal. of water to wash laundry.
13.
Solution:
2+2=4;
Amy makes 4 L of iced tea.
14.
Solution:
1+1+1=3;
Mother makes 3 gal. of soup.
Solve the following story problems. Show your work in the space below.
15. Lily fills an empty fish tank with 2 buckets of water. Each bucket can hold 2 gal. of water. How many gallons of water are in the tank?
Solution:
2 × 2 gal. = 4 gal.
The fish tank is filled with 4 gal. of water.
16. Mrs. Simon prepares 3 L of iced tea. Mrs. Suzuki prepares 5 L of lemonade. How many liters of drinks do they prepare altogether?
Solution:
3L+5L=8L
They prepare 8 L of drink altogether.
17. Darius fills an empty tank with 4 gal. of water. Jack adds 3 gal. of water. Diego adds another 5 gal. of water. How much water can the tank hold?
Solution:
4 gal. + 3 gal. + 5 gal. = 12 gal.
The tank can hold 12 gal. of water.
18. Ayesha buys 8 L of orange juice. She gives 2 L of juice to Jane. How much orange juice does Ayesha have left?
Solution:
8L–2L=6L
Ayesha has 6 L of orange juice left.
19. Mr. Benson filled his car with 10 gal. of gas on Monday. He filled his car with 20 gal. of gas on Thursday. How many gallons of gas in all did Mr. Benson put in his car?
Solution:
10 gal. + 20 gal. = 30 gal.
Mr. Benson put 30 gal. of gas in his car in all.
20. Maddy fills an empty container with 16 L of water. She then pours all the water equally into some jugs. Each jug holds 4 L of water. How many jugs does she use?
Solution:
16 L ÷ 4 L = 4
She used 4 jugs.
