Timetables/ Time Intervals
The Grade 4 pupils are going on a field trip. Their bus leaves school at 7:30 a.m. and arrives at the museum at 9:15 a.m.
a. How long is the journey?
b. If the return journey takes 1 hour and 30 minutes, what time will they arrive back at school if they leave the museum at 2:00 p.m.?
a. 1 hour and 45 minutes
b. 3:30 p.m.
A school library had 12,458 books. It received 8,765 new books in January and another 6,879 books in February. How many books does the library have altogether?
28,102 books
A box contains 10 red balls and 1 blue ball. If you pick one ball without looking, how likely are you to pick a red ball?
Likely
A shape has 8 straight sides and 8 vertices.
How many angles does it have?
8 angles
A family watches a movie that starts at 10:15 a.m. and lasts for 1 hour and 30 minutes.
a. What time will the movie finish?
b. Another movie starts at 12:00 p.m. How long is the interval between the end of the first movie and the start of the second movie?
c. If a third movie starts at 2:30 p.m. and lasts for 1 hour and 45 minutes, what time will it finish?
a. 11:45 a.m.
b. 15 minutes
c. 4:15 p.m.
A warehouse stored 85,600 kilograms of rice. It delivered 37,850 kilograms to different stores. How many kilograms of rice were left in the warehouse?
47,750 kg
The sun rises in the east every morning. How likely is it that the sun will rise in the east tomorrow?
Certain
A triangle, a pentagon, and a hexagon are drawn on a piece of paper. How many sides were drawn altogether?
14 sides
The morning assembly starts at 7:30 a.m. and ends at 7:50 a.m. The Mathematics lesson begins at 7:50 a.m. and ends at 8:40 a.m. English starts at 8:40 a.m. and finishes at 9:30 a.m. After a 30-minute recess, the Science lesson begins at 10:00 a.m. and ends at 10:50 a.m.
a. How long is the Mathematics lesson?
b. How long is the English lesson?
c. How much time do the pupils spend on Mathematics, English and Science altogether, excluding recess?
a. 50 minutes
b. 50 minutes
c. 2 hours 30 minutes
Grade 5 pupils raised ₱24,850 during their school fair. Grade 6 pupils raised ₱18,675, while Grade 4 pupils raised ₱15,925. How much money did the three grade levels raise altogether?
₱59,450
A fair coin is tossed once. How likely is it to land on heads?
Even Chance
Liam draws a polygon with 10 sides. What is the sum of its sides and vertices?
20
Mia takes a train that leaves the station at 8:15 a.m. and arrives at its destination at 9:40 a.m.
a. How long does the train journey take?
b. Another train leaves the station at 9:30 a.m. How much earlier does this train leave than Mia's train's arrival time?
c. If Mia's train is delayed by 20 minutes, what time will it arrive?
a. 1 hour 25 minutes
b. 10 minutes
c. 10:00 a.m.
A charity organization planned to collect ₱100,000 for a community project. It has already collected ₱67,485. How much more money does it need to reach its target?
₱32,515
A bag contains only green marbles. How likely is it that you will pick a red marble?
Impossible
A student wants to create a tessellating pattern using regular polygons.
a. Name two regular polygons that can tessellate on their own.
b. Can regular pentagons tessellate on their own without gaps or overlaps?
c. Why is it important for shapes to fit together exactly when creating a tessellation?
a. Equilateral triangles and squares
b. No
c. So the pattern covers the surface completely without gaps or overlapping shapes.