Measurement
How many millimeters are there in one centimeter?
1 cm
The train left the terminal at 11:20 a.m. and arrived at its destination at 2:40 p.m. How long did the train travel?
The train travelled for 3 hours and 20 minutes.
A team of 24 customer service representatives works at a customer service hotline which operates 24 hours a day. There are four shifts. Normal shifts are from 5 am to 11 am, 11 am to 5 pm and 5 pm to 11 pm. Midnight shift is from 11pm to 5am.
On average, 630 calls are received everyday during the 3 normal shifts and 115 calls are received during the midnight shift.
If only 3 customer representatives work during the midnight shift, how many representatives work on each of the other three shifts?
24 − 3 = 21
21 representatives that does not work on the midnight shift.
21 ÷ 3 = 7
7 representatives work on each of the other 3 shifts.
For lunch at school, each class ordered 21 slices of pizza. If there are 25 classes, the school ordered about __________ slices of pizzas. a. 500 b. 2,500 c. 250
A
(3 × 3) + 15 + 1 × 9 = ________
33
How many meters are in 1 kilometer?
1,000 m
Passengers usually start to board their flights 1 hour before the scheduled take off time. The gate will be closed 15 minutes before the takeoff time. Jack’s plane is scheduled to take off at 12:05 a.m. If he arrives at the gate at 11:45 p.m., can he board the flight?
The boarding time starts at 11:05 p.m. and the gate closes at 11:50 p.m. So, Jack can board his flight.
A bakery specializing in donuts and croissants opens at 10 o’clock in the morning.
The bakery baked 160 donuts and 180 croissants before the shop is opened. How many baked goods were there in total?
160 + 180 = 340
There were total of 340 baked goods
There are 3,727 elementary school students and 9 elementary schools in the area. In each elementary school, there are about __________ students. a. 500 b. 400 c. 600
B
31 – 1 × 5 – 8 + 33 = ________
51
Marcy drove her car 6,835 km last year. How many meters did she drive?
6835000 meters
The school opens at 8:35 a.m. Classes start at 9:15 a.m. The two breaks are at 11:00 a.m. and 1:45 p.m. School ends at 3:15 p.m.
Sam arrives at school at 8:20 a.m. today. How much time does he need to wait before the school opens?
Sam needs to wait for 15 minutes before the school opens.
6,029 divided by 8
753 R5
Each school bus can take 52 students. 89 school buses can take about __________ students. a. 4,400 b. 4,500 c. 460
b
60 ÷ 12 × (4 + 32 × 9) = ________
1460
Some workers are paving a dirt road. The dirt road is 169 m long and the workers finished paving 105 m of the dirt road. What is the length of the section of the dirt road that is not paved?
169 – 105 = 64
The section of the dirt road that is not paved yet is 64 m long.
Mariah starts her 7-hour shift at 6:15 a.m. What time does Mariah get off from work?
Mariah gets off from work at 1:15 p.m.
487 + 988 + 22 + 441 = ___________1,938
1,938
The school ordered 980 lollipops for the fun fair and used 704 lollipops. There were about __________ lollipops left. a. 100 b. 200 c. 300
c
8 × (4 × 7) × 1 × 10 = ________
2240
The distance between the school entrance to the library is 4.5 m and the distance between the school entrance to the school office is 288 cm. Is the school entrance closer to the library or the school office?
288 cm = 2.88 m
The school entrance is closer to the school office.
It takes Mike 25 minutes to go to work and it takes Ashley 50 minutes to go to work. Today, Mike left home at 8:30 a.m. and Ashley left home at 8:15 a.m. Who arrived at work earlier?
Mike arrived at work 8:55 a.m. Ashley arrived at work 9:05 a.m. Mike arrived at work earlier today
A hotel has 7 floors. The lobby, restaurant and gym are located on the ground floor. The guest rooms are on 1st to 6th floors.
If there are 35 standard rooms on each floor, how many standard rooms are there?
There are 4 housekeepers working on each floor. One room only requires one housekeeper. If the housekeepers try distributing the work equally, how many housekeepers need to clean more rooms that the others?
35 x 6 = 210
There are 210 standard rooms. 2.
35 ÷ 4 = 8𝑅3
3 housekeepers need to clean more rooms than others.
1,348 people attended the school’s fun fair. 526 of them are children and about __________ of them are adults. a. 900 b. 700 c. 800
c
7 × (9 ÷ 3 + 37) + 22 = ________
302