1. L Wright 2006L Wright 2006

2. L Wright 2006
Today we will be learning to:Today we will be learning to:
solve measurement problemssolve measurement problems
use words about mass and ways ofuse words about mass and ways of
measuring weightmeasuring weight
measure using non-standard unitsmeasure using non-standard units
compare weightscompare weights
estimate and measure.estimate and measure.

3. L Wright 2006
Mental ActivityMental Activity
Imagine a spider is on number 4 of aImagine a spider is on number 4 of a
hundred square.hundred square.
Which number is below it?Which number is below it?

4. L Wright 2006
11 22 33 44 55 66 77 88 99 1010
1111 1212 1313 1414 1515 1616 1717 1818 1919 2020
2121 2222 2323 2424 2525 2626 2727 2828 2929 3030
3131 3232 3333 3434 3535 3636 3737 3838 3939 4040
4141 4242 4343 4444 4545 4646 4747 4848 4949 5050
5151 5252 5353 5454 5555 5656 5757 5858 5959 6060
6161 6262 6363 6464 6565 6666 6767 6868 6969 7070
7171 7272 7373 7474 7575 7676 7777 7878 7979 8080
8181 8282 8383 8484 8585 8686 8787 8888 8989 9090
9191 9292 9393 9494 9595 9696 9797 9898 9999 100100

5. L Wright 2006
Imagine a spider is on number 19 of aImagine a spider is on number 19 of a
hundred square.hundred square.
Which number is below it?Which number is below it?
Which number is above it?Which number is above it?

6. L Wright 2006
11 22 33 44 55 66 77 88 99 1010
1111 1212 1313 1414 1515 1616 1717 1818 1919 2020
2121 2222 2323 2424 2525 2626 2727 2828 2929 3030
3131 3232 3333 3434 3535 3636 3737 3838 3939 4040
4141 4242 4343 4444 4545 4646 4747 4848 4949 5050
5151 5252 5353 5454 5555 5656 5757 5858 5959 6060
6161 6262 6363 6464 6565 6666 6767 6868 6969 7070
7171 7272 7373 7474 7575 7676 7777 7878 7979 8080
8181 8282 8383 8484 8585 8686 8787 8888 8989 9090
9191 9292 9393 9494 9595 9696 9797 9898 9999 100100

7. L Wright 2006
Imagine a spider is on number 45 of aImagine a spider is on number 45 of a
hundred square.hundred square.
Which number is below it?Which number is below it?
Which number is above it?Which number is above it?

8. L Wright 2006
11 22 33 44 55 66 77 88 99 1010
1111 1212 1313 1414 1515 1616 1717 1818 1919 2020
2121 2222 2323 2424 2525 2626 2727 2828 2929 3030
3131 3232 3333 3434 3535 3636 3737 3838 3939 4040
4141 4242 4343 4444 4545 4646 4747 4848 4949 5050
5151 5252 5353 5454 5555 5656 5757 5858 5959 6060
6161 6262 6363 6464 6565 6666 6767 6868 6969 7070
7171 7272 7373 7474 7575 7676 7777 7878 7979 8080
8181 8282 8383 8484 8585 8686 8787 8888 8989 9090
9191 9292 9393 9494 9595 9696 9797 9898 9999 100100

9. L Wright 2006
Imagine a spider is on number 99 of aImagine a spider is on number 99 of a
hundred square.hundred square.
Which number is above it?Which number is above it?

10. L Wright 2006
11 22 33 44 55 66 77 88 99 1010
1111 1212 1313 1414 1515 1616 1717 1818 1919 2020
2121 2222 2323 2424 2525 2626 2727 2828 2929 3030
3131 3232 3333 3434 3535 3636 3737 3838 3939 4040
4141 4242 4343 4444 4545 4646 4747 4848 4949 5050
5151 5252 5353 5454 5555 5656 5757 5858 5959 6060
6161 6262 6363 6464 6565 6666 6767 6868 6969 7070
7171 7272 7373 7474 7575 7676 7777 7878 7979 8080
8181 8282 8383 8484 8585 8686 8787 8888 8989 9090
9191 9292 9393 9494 9595 9696 9797 9898 9999 100100

11. L Wright 2006
Imagine a spider is on number 34 of aImagine a spider is on number 34 of a
hundred square.hundred square.
Which number is below it?Which number is below it?
Which number is above it?Which number is above it?

12. L Wright 2006
11 22 33 44 55 66 77 88 99 1010
1111 1212 1313 1414 1515 1616 1717 1818 1919 2020
2121 2222 2323 2424 2525 2626 2727 2828 2929 3030
3131 3232 3333 3434 3535 3636 3737 3838 3939 4040
4141 4242 4343 4444 4545 4646 4747 4848 4949 5050
5151 5252 5353 5454 5555 5656 5757 5858 5959 6060
6161 6262 6363 6464 6565 6666 6767 6868 6969 7070
7171 7272 7373 7474 7575 7676 7777 7878 7979 8080
8181 8282 8383 8484 8585 8686 8787 8888 8989 9090
9191 9292 9393 9494 9595 9696 9797 9898 9999 100100

13. L Wright 2006
Main ActivityMain Activity
Today we are going to be finding outToday we are going to be finding out
about massabout mass
which is how heavy things are.which is how heavy things are.

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I will show you two parcels.I will show you two parcels.
Which is the heaviest?Which is the heaviest?
How could we find out?How could we find out?
What if the parcels were in a differentWhat if the parcels were in a different
room or place?room or place?

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You will now be split into six groups.You will now be split into six groups.
Each group will be given a parcel.Each group will be given a parcel.
How could you find out which is theHow could you find out which is the
heaviest parcel?heaviest parcel?

16. L Wright 2006
Each group will be given a balance and
some non-standard units.
Remember to measure using the same
units.

17. L Wright 2006
Which unit do you need most of?Which unit do you need most of?
Why?Why?
Which unit is the best or worst forWhich unit is the best or worst for
measuring with?measuring with?
Why?Why?

18. L Wright 2006
Which parcels were the heaviest?Which parcels were the heaviest?
Did you find them all the same?Did you find them all the same?
Each parcel weighed 1kg.Each parcel weighed 1kg.
What does this term mean?What does this term mean?
Where have you heard the term before?Where have you heard the term before?

19. L Wright 2006
Group WorkGroup Work
Work in the same groups.Work in the same groups.
Draw a table of classroom objects thatDraw a table of classroom objects that
are heavier or lighter than a kilogram.are heavier or lighter than a kilogram.
heavierheavierlighterlighter
1kg

20. L Wright 2006
PlenaryPlenary
Look at the sheet showing a range ofLook at the sheet showing a range of
different scales.different scales.
What step is the scale going up in?What step is the scale going up in?
How did you work it out?How did you work it out?
What does each division represent?What does each division represent?

21. L Wright 2006
Remember!Remember!
Work out what each division stands for.Work out what each division stands for.
Use what you know to work out what youUse what you know to work out what you
don’t know.don’t know.
HomeworkHomework
Find three things at home which weightFind three things at home which weight
more than 1kg and three things whichmore than 1kg and three things which
weigh less than 1kg.weigh less than 1kg.