161 P4.WN.JM.17102335
Level 3
John wants to cover a floor measuring 80 cm by 100 cm with square tiles of the same size. Given that he uses only whole tiles, find
  1. the largest possible length of the side of each tile.
  2. the number of tiles that are needed to cover the floor.
4 m
HCF Min-max Length Area Perimeter
162 P4.WN.JM.17102141
Level 3
What is the shortest length which can be divided into 2 cm, 4 cm or 8 cm portions without any remainder?
4 m
LCM Min-max Length
163 P4.WN.JM.17102154
Level 3
Alyson, Clara and Joyce were each given a piece of string of equal length. Alyson cut hers into equal lengths of 2 m, Clara cut hers into equal lengths of 3 m, and Joyce cut hers into equal lengths of 5 m. If there were no remainder in each case, find the shortest length of string given to each of them.
4 m
LCM Min-max Length
164 P4.FR.JM.17101745
Level 3
The total length of 3 ribbons and 6 wires is 300 cm. The length of a wire is 13 of the length of the ribbon. What is the total length of the 6 wires?
4 m
Fraction to units Length Number x value Units method
165 P4.WN.NK.22120114
Level 3
Tanya takes 6 minutes to jog 1 round on the track while Joel takes 9 minutes to jog 1 round. Both of them started jogging around the track in the same direction and at the same time. How long would it take for them to meet each other for the first time at the starting point?
4 m
LCM Length
166 P4.WN.JC.17100604
Level 3
Red, blue and green cloths are sold in 40 cm, 70 cm and 100 cm long respectively. Ron wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
  1. Red cloth
  2. Blue cloth
  3. Green cloth
4 m
W Multiplication & division LCM Length
167 P4.FR.JM.17101716
Level 3
2 rectangles A and B, not drawn to scale, overlap at x as shown. x is 18 of rectangle A and 16 of rectangle B. If the length of rectangle B is 9 cm and its breadth is 4 cm, what is the area of the unshaded part of figures A and B?
4 m
Fraction to units Overlapping area Unchanged difference Units method
168 P4.WN.JM.17102420
Level 3
Mr Smith planted 10 trees in a row for his garden. The distance between each tree and the next was equal for all the trees. The distance between the first tree and the fifth tree was 20 m, what was the distance between the 1st tree and the 8th tree?
4 m
W 4 operations Length Intervals
169 P4.WN.JM.17102421
Level 3
Ten potted plants are placed in a straight row at equal distance apart. The distance between the first and fourth potted plant is 6 m. What is the distance between the first and last potted plant?
4 m
W 4 operations Length Intervals
170 P4.WN.NK.23010625
Level 3
Some lanterns were hung in a row at equal distances. The distance between the 2nd and the 4th lantern was 8 m. What was the distance between the 1st and the 7th lantern?
4 m
W 4 operations Length Intervals

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