Elapsed Time: Working Backwards

Ben started soccer practice at the time shown on the clock. What time does soccer practice begin?

Abdul arrived home from the library at the time shown on the clock. What time did he arrive home?

The class ended at 10:10 a.m. It

lasted 40 minutes. What time did

the class start?

Mrs. Washington got to work at

7:55 a.m. She was in the car for

15 minutes, ate breakfast in

30 minutes, and took 50 minutes

to get ready, after she got up.

What time did Mrs. Washington

get up?

• 7:10a.m.

• 6:30 a.m.

• 6:20 a.m.

• 6:15 a.m.

It was 9:00 a.m. Elliot had been at

the train station for 35 minutes.

When did he arrive at the station?

• 8:15a.m.

• 8:25 a.m.

• 9:25 a.m.

• 9:35 a.m.

Ella got home at 4:30 p.m. After

school ended, she had ridden

the bus for 10 minutes

and studied in the library for 20

minutes. What time did school

end?

The 4:00 p.m. temperature was

46°F. This was 12° warmer than

the temperature at noon. The noon

temperature was 7° warmer than

the 8:00 a.m. temperature. What

was the 8:00 a.m. temperature in

°F?

What is another way to write 8:30?

What is one way to write 12:15 pm

• Quarter to 12

• Quarter past 12

• 15 past 1

• Quarter to 2

Jessie’s ballet recital begins at

6:30 p.m. It takes her dad 15 minutes

to drive her there from their house.

Jessie wants to warm-up at the

dance hall for 20 minutes before the

recital begins. What time do Jessie

and her dad need to leave their

house so she has enough time to

warm-up?