71 P4.AP.JM.17100195
Level 3
A rectangular floor, 18 m by 9.5 m, is laid with rubber tiles at a cost of $29 per square metre.
  1. Find the cost of tiling the floor.
  2. Round off the answer in (a) to the nearest thousand dollars.
3 m
Rectangle Tiling W Round off Money
72 P4.DE.JM.171010128
Level 3
The number of 20-cent coins in a box is as many as the number of $1-dollar coins. The total value of the coins is $26.40.
  1. Find the total number of coins in the box.
  2. Find the total value of 20-cent coins in the box.
3 m
Money Number x value Decimal units
73 P4.DE.JM.171010153
Level 3
Gopal bought 18 apples at 3 for $2.50. If the cost of the apples now is 4 for $3.00, how many apples can Gopal buy with the same amount of money?
3 m
D Multiplication Money Equal stage Sets
74 P4.DE.JM.171010155
Level 3 PSLE
A muffin costs $0.70 in Bakery A. For every 3 muffins a customer buys, he can buy the fourth one at half the price. What is the greatest number of muffins that a customer can buy with $84?
3 m
Fraction of a whole D 4 operations Money Unit conversion Remainder min-max Sets
75 P4.AP.NK.23050828
Level 3
The measurements of a plot of land are given below. (All sides of the plot of land meet at right angles.)
  1. What is the area of the plot of land?
  2. Each square metre of land costs $85. How much does the plot of land cost?
3 m
Square Rectangle Rectilinear figure Composite figure area Money
76 P4.DE.JM.171010151
Level 3
The poster shows a rose sale at a flower stall. Luis needs to get at least 11 roses for a party. What is the smallest amount of money he will have to pay?
3 m
D 4 operations Min-max Money Sets
77 P4.DE.JM.171010154
Level 3
Lily wants to buy 20 identical pens as shown:
1 for $4.50
6 for $23
 What is the least amount of money she needs to buy 20 such pens?
3 m
D Multiplication Min-max Money Sets
78 P4.DE.JM.171010152
Level 3
The advertisement shows a sale in chocolates. Pamela needs 10 boxes of such chocolates as gifts for her classmates. What is the least amount she has to pay if she buys them during the sale?
3 m
D 4 operations Min-max Money Sets
79 P4.DE.JM.171010150
Level 3
Ali has $5.60. He wants to exchange his money for an equal number of 20-cent coins and 50-cent coins. How many 50-cent coins does he have after the exchange?
3 m
D 4 operations Money Unit conversion Equal stage Sets
80 P4.DE.NK.23010631
Level 3
The stationery shop has a special offer for punchers:
1 puncher for $1.10
3 punchers for $3

Neave wants to buy 10 punchers. What is the least amount he has to pay?
3 m
D Addition & subtraction Min-max Money Sets

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