Clocks, Time, and Elapsed Minutes

MathematicsYear 416 slidesAustralian curriculum
Clocks, Time, and Elapsed Minutes

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Clocks, Time, and Elapsed Minutes
Slide 1

Clocks, Time, and Elapsed Minutes

Year 3/4 Mathematics Reading and Recording Time Calculating Elapsed Time

What You'll Need Today
Slide 2

What You'll Need Today

Mini analogue clock whiteboard Mini digital clock whiteboard Whiteboard marker Eraser Pencil and paper

Learning Intention & Success Criteria
Slide 3

Learning Intention & Success Criteria

WALT: We are learning to calculate and record time using analogue and digital clocks I can read an analogue clock I can write the matching digital time I can work out what the time will be after a given number of minutes I can draw the new time on a clock

Analogue Clock Recap
Slide 4

Analogue Clock Recap

Hour hand - short and thick Minute hand - long and thin Hour hand points to the hour Minute hand points to the minutes Numbers 1-12 around the clock face

Counting by 5s Around the Clock
Slide 5

Counting by 5s Around the Clock

Start at 12 = 0 minutes Count by 5s: 5, 10, 15, 20, 25, 30... Each number represents 5 minutes Practice together as a class

WE DO: Read the Analogue Clock
Slide 6

WE DO: Read the Analogue Clock

Look at the analogue clock I'm showing Write the matching digital time on your mini whiteboard Remember: hour first, then minutes Use the format: __:__

Check for Understanding
Slide 7

Check for Understanding

Hold up your whiteboards on the count of 3 1... 2... 3... SHOW ME! Check your answer with your partner Turn and talk about how you got your answer

WE DO: Adding Time
Slide 8

WE DO: Adding Time

What time will it be in 15 minutes? Start time: 2:30 Add 15 minutes Show me your thinking

Teacher Modelling: Using Number Line
Slide 9

Teacher Modelling: Using Number Line

Start at 2:30 on the number line Count forward 15 minutes 2:30 → 2:35 → 2:40 → 2:45 The answer is 2:45

WE DO: Draw the New Time
Slide 10

WE DO: Draw the New Time

Draw 2:45 on your analogue clock Hour hand between 2 and 3 Minute hand pointing to 9 Show me your clocks!

Check for Understanding: Elapsed Time
Slide 11

Check for Understanding: Elapsed Time

Sarah starts reading at 1:20 She reads for 25 minutes What time does she finish reading? Work it out on your mini clocks!

YOU DO: Independent Practice
Slide 12

YOU DO: Independent Practice

Work on your own mini clocks Start time: 3:15 Add 20 minutes Draw both the start time and end time Write the digital times underneath

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