91 P3.WN.JC.17121040
Level 3
Risa was given a piece of lace of length 6 m 30 cm. She used a part of it to tie 5 curtains and 2 m 20 cm of the remaining length to decorate her room. Given that each curtain needed 50 cm, what was the length of the lace that was left behind by Risa? (Leave the answer in metres and centimetres.)
4 m
W 4 operations Length Unit conversion Model Part-whole
92 P3.WN.JC.17121041
Level 3
Keith paints 65 cm of the wall daily. After 5 weeks, 8 m of the wall was still unpainted. What is the length of the wall? Give the answer in metres and centimetres.
4 m
W 4 operations Length Unit conversion Model Part-whole
93 P3.WN.PR.17102541
Level 3
A piece of ribbon 540 cm long is cut into 3 pieces X, Y and Z. Y is 80 cm longer than Z but 50 cm shorter than X. What is the length of X?
4 m
W 4 operations Length Model Comparison Units method
94 P3.WN.JM.17110812
Level 3
There were three pieces of ribbon, A, B and C. A is 9 cm longer than B. C is 6 cm shorter than B. What is the length of A?
4 m
W 4 operations Length Model Comparison Units method
95 P3.WN.PR.17102583
Level 3
At sunrise an ant began jumping up a 2-metre sand hill. Every hour, it was able to climb up 40 cm, but then slid back 30 cm due to the loose sand. How long did it take the ant to reach the top?
4 m
W 4 operations Length Unit conversion Time

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