Singapore Math Level 2A & 2B – Review 6: Fractions And Time - 20 Questions
REVIEW 6: FRACTIONS AND TIME
1. Which of the following are fractions? Put a check mark (✓) in the correct boxes.
[Note: Here, (a) an undivided circle (b) a rectangle divided into 8 equal parts (c) a square divided into 2 equal parts is given. So from here it is clear that numbers b and c express fractions because they are divided by equal parts.]
Solution(1):
2-3. Shade the parts of each figure to show the fractions.
[Note: Figure 2 is divided into 6 parts, if we color 5 parts, we will get 5/6. Figure 3 is divided into 10 parts, if we color 6 parts, we get 6/10. ]
Solution(2-3):
4-7. Write the correct times on the lines below.
Solution(4-7):
4. 10:25
5. 5:00 / 5 o’clock
6. 8:55
7. 7:30
Draw the minute hand on each clock to show the correct time.
[Note: We have not given incomplete pictures of the question no. 8-11 here but rather given the complete pictures with adding the minute hands in the solution section.]
Solution(8-11):
12. Arrange the fractions in each set. Begin with the largest.
5/7 1/7 6/7
Solution(12):
6/7, 5/7, 1/7
13. Arrange the fractions in each set. Begin with the smallest.
4/8 7/8 5/8
Solution(13):
4/8, 5/8, 7/8
14. Mary left her house at 10:30 A.M. 30 minutes later, she reached her school. At what time did Mary reach her school?
Solution(14):
10:30 + 0:30 = 11:00
Mary reached her school at 11:00 AM.
15. Leo has a guitar lesson every Saturday. His lesson lasts 1 hour. If his guitar lesson ends at 2:30 P.M., at what time does it start?
Solution(15):
2:30 – 1:00 = 1:30
His guitar lesson starts at 1:30 PM.
16. All the Grade 1 and 2 students have recess at 9:45 A.M. Recess ends 30 minutes later. At what time does recess end?
Solution(16):
9:45 + 0:30 = 10:15
Reacess ends at 10:15 AM.
Do the following story problems. Show your work in the space below.
17. Anton and Jack shared a dish of nachos. If Anton ate ½ of it, how much did Jack eat?
Solution(17):
1 – ½
= 2/2 - 1/2
= ½
Jack ate ½ of the dish of nachos.
18. Deepak ate 2/6 of a melon. John ate 3/6 of the melon. What fraction of the melon did they eat?
Solution(18):
D: Deepak
J: John
2/6 + 3/6
= 5/6
They ate 5/6 of the melon.
19. Harry poured a glass of milk. He drank 4/7 of it. What fraction of the milk was left in the glass?
Solution(19):
D: Drank
1 – 4/7
= 7/7 – 4/7
= 3/7
3/7 of the milk was left in the glass.
20. Tariq borrows a book from the library. He reads 2/5 of it. What fraction of the book does Tariq need to read in order to complete it?
Solution(20):
R: Read
1 – 2/5
= 5/5 – 2/5
= 3/5
Tariq needs to read 3/5 of the book in order to complete it.
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