Finding Elapsed Time Within the Hour

What is the main objective of today's lesson?

• To find the start time given the end time

• To learn about different types of numbers

• To calculate the elapsed time given start and end times

• To understand the concept of a number line

Tags

CCSS.3.MD.A.1

What visual model was used to explain elapsed time?

• Making dinner

• Reading a book

• Building a house

• Going for a run

What represents minutes in the visual model on a number line?

• Mountains

• Hills

• Rivers

• Trees

How many minutes elapsed from 4:22 AM to 4:41 AM?

• 19 minutes

• 20 minutes

• 18 minutes

• 21 minutes

Tags

CCSS.3.MD.A.1

What is the first step in finding elapsed time on a number line?

• Jump to the end time

• Find the nearest friendly number

• Calculate the total time

• Draw a mountain

Tags

CCSS.3.MD.A.1

In the grocery store word problem, how long was the trip?

• 28 minutes

• 30 minutes

• 25 minutes

• 32 minutes

Tags

CCSS.4.MD.A.2

What strategy is emphasized for solving elapsed time problems?

• Memorizing times

• Drawing hills and mountains

• Using cubes

• Guessing and checking

Tags

CCSS.3.MD.A.1

What was the elapsed time between the end of the game and leaving the ice cream store?

• 29 minutes

• 33 minutes

• 35 minutes

• 31 minutes

Tags

CCSS.3.MD.A.1

Why is it important to understand the event when calculating elapsed time?

• To identify the start and end times correctly

• To choose the right number line

• To know how many hills to draw

• To calculate the total distance traveled

Tags

CCSS.3.MD.A.1

What is the purpose of breaking down elapsed time into intervals?

• To make calculation easier

• To use up more space on the paper

• To create a more complex problem

• To practice drawing hills

Tags

CCSS.3.MD.A.1