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Mathematics

6th - 7th Grade

Practice Problem

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Created by

Sir Gervy No. 1

Used 37+ times

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6 Slides • 19 Questions

1

Time

LO: To be able to convert and interpret decimal time.

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2

Multiple Select

STARTER


Which of the following statement/s is/are CORRECT?

1

0.5=150.5=\frac{1}{5}

2

0.25=140.25=\frac{1}{4}

3

0.5=120.5=\frac{1}{2}

4

0.25=250.25=\frac{2}{5}

5

0.75=340.75=\frac{3}{4}

3

Fill in the Blanks

Type answer...

4

Fill in the Blanks

Type answer...

5

Fill in the Blanks

Type answer...

6

How to convert time

  • minutes to seconds ( ×60 )

  • hours to minutes ( ×60 )

  • days to hours ( ×24 )

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7

Multiple Choice

LET'S PRACTICE!!!


Convert 200 seconds to minutes and seconds.

1

4 minutes

2

3 minutes and 30 seconds

3

3 minutes

4

3 minutes and 20 seconds

8

Multiple Choice

LET'S PRACTICE!!!


Convert 160 seconds to minutes and seconds.

1

2 minutes and 40 seconds

2

2 minutes and 30 seconds

3

3 minutes

4

2 minutes and 20 seconds

9

Multiple Choice

LET'S PRACTICE!!!


Convert 1 hour and 35 minutes to minutes.

1

59 minutes

2

105 minutes

3

95 minutes

4

41 minutes

10

Interpreting Decimal TIme

  • The meaning of decimal numbers vary depending on the situation and context.

  • Basic decimal conversions that one must remember:

  • ¼ = 0.25

  • ½ = 0.5

  • ¾ = 0.75

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11

What does this mean in the context of 'time'?

  • Say, the value being shown is in minutes.

  • 6.25 minutes = 6 minutes and ¼ of a minute

  • ¼ of a minute = 15 seconds

  • Therefore, 6.25 minutes = 6 minutes and 15 seconds

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12

Multiple Choice

LET'S PRACTICE!!!


What is 3.5 hours in hours and minutes?

1

3 hours and 5 minutes

2

3 hours and 50 minutes

3

3 hours and 30 minutes

13

Multiple Choice

LET'S PRACTICE!!!


What is 2.75 hours in hours and minutes?

1

2 hours and 45 minutes

2

2 hours and 75 minutes

3

3 hours and 15 minutes

14

Multiple Choice

AFL


Red (1)


Convert 160 seconds into minutes and seconds.

1

2 minutes and 40 seconds

2

1 minute and 100 seconds

3

1 minute and 60 seconds

4

2 minutes

15

Multiple Choice

AFL


Red (2)


Convert 2 days and 8 hours into hours.

1

128 hours

2

56 hours

3

32 hours

4

48 hours

16

Multiple Choice

AFL


Yellow (1)


What is 1.25 hours in hours and minutes?

1

1 hour and 25 minutes

2

1 hour and 30 minutes

3

1 hour and 50 minutes

4

1 hour and 15 minutes

17

Multiple Choice

AFL


Yellow (2)


What is 2.5 days in days and hours?

1

2 days and 5 hours

2

2 days and 30 hours

3

2 days and 10 hours

4

2 days and 12 hours

18

Fill in the Blanks

Type answer...

19

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20

Multiple Choice

Plenary


(1) Convert the 75 hours to days and hours.

1

1 day and 15 hours

2

3 days and 3 hours

3

2 days and 15 hours

4

3 days and 5 hours

21

Multiple Choice

Plenary


(2) Convert the 40 hours into days and hours.

1

2 days

2

1 day and 20 hours

3

1 day and 16 hours

4

1 day and 6 hours

22

Multiple Choice

Plenary


(3) What is 2.25 days into days and hours?

1

2 days and 6 hours

2

2 days and 25 hours

3

2 days and 25 minutes

4

2 days and 15 hours

23

Multiple Choice

Plenary


(4) What is 3.2 minutes in minutes and seconds?

1

3 minutes and 20 seconds

2

3 minutes and 12 seconds

3

3 minutes and 2 seconds

4

3 minutes and 15 seconds

24

Multiple Choice

Sally has seven hour-long maths lessons every two weeks. At her cousin's school, they have four 50-minute lessons of maths every week. Who has more time in maths lessons in a two-week period?

1

Sally

2

Her cousin

25

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Time

LO: To be able to convert and interpret decimal time.

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