If I know how many millimetres are many …...Metric units 1 How long is each line? Give your answer...
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Metric units 1 How long is each line? Give your answer in both centimetres and millimetres. a) 0 1 2 3 4 5 6 7 8 9 10 cm mm b) 0 1 2 3 4 5 6 7 8 9 10 cm mm c) 0 1 2 3 4 5 6 7 8 9 10 cm mm d) 0 1 2 3 4 5 6 7 8 9 10 cm mm 2 Complete the conversion. 1 cm = mm 3 Dexter is converting units of measure. Complete Dexter’s workings to show that he is correct. What other conversions could you work out using Dexter’s method? 4 Complete the conversions. a) 15 cm = mm e) cm = 0.2 m b) 12 m = cm f) 4.65 m = cm c) 16.5 m = cm g) 52,000 mm = cm d) mm = 165 cm h) 52,000 mm = m © White Rose Maths 2020 1 m = cm 1 cm = mm so, 1 m = mm If I know how many millimetres are in 1 cm, and how many centimetres are in 1 m, then I can work out how many millimetres are in 1 m.
Transcript of If I know how many millimetres are many …...Metric units 1 How long is each line? Give your answer...
Metric units
1 Howlongiseachline?
Giveyouranswerinbothcentimetresandmillimetres.
a)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
cm mm
b)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
cm mm
c)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
cm mm
d)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
cm mm
2 Completetheconversion. 1cm= mm
3 Dexterisconvertingunitsofmeasure.
CompleteDexter’sworkingstoshowthatheiscorrect.
WhatotherconversionscouldyouworkoutusingDexter’smethod?
4 Completetheconversions.
a) 15cm= mm e) cm=0.2m
b) 12m= cm f) 4.65m= cm
c) 16.5m= cm g) 52,000mm= cm
d) mm=165cm h) 52,000mm= m
©WhiteRoseMaths2020
1 m = cm
1 cm = mm
so, 1 m = mm
If I know how many millimetres are in 1 cm, and how many centimetres are in 1 m, then I can work out how
many millimetres are in 1 m.
©WhiteRoseMaths2020
5 MoandRosiearemeasuringthelengthoftheplayground.
a) Whoseunitofmeasureismoreappropriate?__________________
Explainyouranswer.
b) Rosiehasmeasuredthelengthoftheplaygroundas563cm.
WhatanswerwillMogetinmetres? m
6 EvaandAmiraremeasuringthelengthofapaperclip.
a) Whoseunitofmeasureismoreappropriate?__________________
Explainyouranswer.
b) Amirhasmeasuredthelengthofthepaperclipas0.8cm.
WhatanswerwillEvagetinmillimetres? mm
7 Thetableshowstheheightsoffoursunflowers.
Sunflower A B C D
Height 0.86m 91cm 640mm 72cm
Putthesunflowersinorder,startingwiththeshortest.
8 Thedepthofaplankis15mm.
12oftheplanksarestackedontopof
eachother.
Whatisthedepthofthestackofplanks?
Giveyouranswerincentimetres.
cm
9 Dexteris146cmtall.
Annieis0.27mshorterthanDexter.
HowtallisAnnie?
Giveyouranswerinmetres.
m
10 Thethicknessofa20pcoinis2mm.
Tommystacks£4worthof20pcoinsontopofeachother.
Howtallisthestackofcoins?
Giveyouranswerincentimetres.
cm
I’m going to measure it in metres. I’m going to measure
it in centimetres.Mo
Rosie
I’m going to measure it in millimetres.
I’m going to measure it in centimetres.Eva
Amir
TW
ENTY
PENC
E
