Singapore Math Level 2A & 2B – Review 7: Volume and Graph - 20 Questions
Review 7: Volume and Graph
(1-3). Write the volume of water in each container on the lines below.
Solution(1-3):
1. 5L of water.
2. 2 gal. of water.
3. 10L of water.
(4-5). Fill in each blank with the correct answer.
4. Favorite dinners of a group of children
(a) The number of children who like to eat tacos is ___.
(b) The number of children who like to eat spaghetti is ___.
(c) There are ___ fewer children who like to eat roast chicken than tacos.
(d) There are ___ more children who like to eat pizza than meatloaf.
(e) The total number of children who like to eat meatloaf and spaghetti is ___.
Solution(4):
(a) 18
[6 × 3 = 18]
(b) 15
[5 × 3 = 15]
(c) 9
[Roast chicken → 3 × 3 = 9;
Tacos → 6 × 3 = 18;
18 – 9 = 9]
(d) 12
[Pizza → 8 × 3 = 24;
Meatloaf → 4 × 3 = 12;
24 – 12 = 12]
(e) 27
[Meatloaf → 4 × 3 = 12;
Spaghetti → 5 × 3 = 15;
12 + 15 = 27]
5.
(a) The container that holds the greatest volume of water is the ____.
(b) The container that holds the least volume of water is the ____.
(c) The jug holds ____ more ladles of water than the cup.
(d) The cup holds ____ fewer ladles of water than the teapot.
(e) The total number of ladles that the 3 containers can hold is ____.
Solution(5):
(a) jug
(b) cup
(c) 8
[10 – 2 = 8]
(d) 6
[8 – 2 = 6]
(e) 20
[8 + 10 + 2 = 20]
6. The pictures below show the types of seafood Mr. Kaufman sold at the fish market.
Draw a picture graph where each 🙁 stands for 2 pieces of seafood.
Solution(6):
Shrimp → 6 ÷ 2 = 3🙁
Crab → 14 ÷ 2 = 7🙁
Fish → 20 ÷ 2 = 10🙁
Squid → 8 ÷ 2 = 4🙁
(7-20). Do the following story problems. Show your work in the space below.
7. Riley bought 2 bottles of fruit juice. Each bottle contained 8 oz. of fruit juice. How many ounces of fruit juice did Riley buy?
Solution(7):
2 × 8 oz. = 16 oz.
Riley bought 16 oz. of fruit juice.
8. Li mixes 10 L of water with 8 L of frozen concentrate to make lemonade.
(a) How many liters of lemonade does Li make?
(b) If Li gives 3 L of lemonade to her neighbor, how many liters of lemonade will she have left?
Solution(8):
(a)
10L + 8L = 18L
Li makes 18L of lemonade.
(b)
18L – 3L = 15L
She will have 15L of lemonade left.
9. Isabelle collected 10 gal. of rainwater on Monday. She collected 15 gal. Of rainwater on Wednesday. How much rainwater did she collect altogether?
Solution(9):
10 gal. + 15 gal. = 25 gal.
She collected 25 gal. of rainwater altogether.
10. Kate bought 5 L of milk over the weekend. She drank 2 L of milk on Monday and Tuesday. How much milk was left?
Solution(10):
5L–2L=3L
3L of milk was left.
11. Eva needed to buy 20 gal. of drinks for his birthday party. She bought 10 gal. of drinks from Supermarket A and 5 gal. of drinks from Supermarket B.
(a) How many gallons of drinks did Eva buy?
(b) How many more gallons did she need to buy?
Solution(11):
(a)
10 gal. + 5 gal. = 15 gal.
Andy bought 15 gal. of drinks.
(b)
20 gal. – 15 gal. = 5 gal.
He needed to buy 5 more gallons of drinks.
12. Andy bought 2 bottles of liquid detergent. Bottle A contained 8L of liquid detergent. Bottle B contained 25L of liquid detergent. How much liquid detergent did Andy buy altogether?
Solution(12):
25L + 8L = 33L
Andy bought 33L of liquid detergent altogether.
13. Kenji removed some water from a tank using a bucket. The bucket could hold 2 gal. of water. He filled the bucket completely with water 6 times. How much water did he remove from the tank?
Solution(13):
6 × 2 gal. = 12 gal.
He removed 12 gal. of water from the tank.
14. Nick poured 24 L of mango juice into 4 containers equally. How much mango juice was there in each container?
Solution(14):
24L ÷ 4 = 6L
There was 6L of mango juice in each container.
15. Mrs. Anderson recycles water by collecting used water from the washing machine. She collects 5 buckets of used water every week. Each bucket can hold 3 gal. of used water. How much used water does she collect every week?
Solution(15):
5 × 3 gal. = 15 gal.
She collects 15 gal. of used water every week.
16. Alyssa drinks 2 L of water daily. How much water does Alyssa drink in 10 days?
Solution(16):
10 × 2L = 20L
She drinks 20L of water in 10 days.
17. Mr. Tomasek brews 17 gal. of coffee and 25 gal. of tea every day. How much coffee and tea does he brew every day?
Solution(17):
17 gal. + 25 gal. = 42 gal.
He brews 42 gal. of coffee and tea every day.
18. Luisa pours 36 gal. of apple juice equally into some containers. Each container can hold 4 gal. of apple juice. How many containers does she need?
Solution(18):
36 gal. ÷ 4 gal. = 9
She needs 9 containers.
19. Jamie bought 8 bottles of detergent. Each bottle of detergent was 2 L. How many liters of detergent did Jamie buy?
Solution(19):
8 × 2L = 16L
Jamie bought 16L of detergent.
20. George used 5 gal. of water to wash a car. How many cars did he wash if he used 35 gal. of water?
Solution(20):
35 gal. ÷ 5 gal. = 7
He washed 7 cars if he used 35 gal. of water.
Also: