101 P4.FR.JC.17092826
Level 3
A barrel can hold 96 ℓ of water. A tank can hold 12 more litres of water than the barrel. An aquarium can hold 3 times as much water as the tank. If the aquarium is 34 filled with water, how much more water is needed to fill the aquarium completely?
4 m
Fraction of a whole F Multiplication W 4 operations Volume Model Comparison Model Times-as-many
102 P4.FR.PR.17100412
Level 3
A car-wash machine takes 16 h to wash 1 car. Washing the car by hand takes 14 h longer than the car-wash machine.
  1. Find the time taken to wash 1 car by hand.
  2. Find the total time taken to wash 3 cars by hand. Leave your answer in hours and minutes.
4 m
Fractions with units F 4 operations Unit conversion Time Duration Model Comparison Unit conversion
103 P4.DE.NK.22120623
Level 3
Perry bought a piece of rope and cut it into 3 pieces. The third piece was 2.5 m longer than the first piece. The second piece was 2.42 m shorter than the third piece.
  1. If the first piece was 10.29 m, find the length of the rope before it was cut.
  2. How much did Perry pay if each metre of the rope was $2?
4 m
D 4 operations Money Length Model Comparison
104 P4.DE.NK.22120616
Level 3
Tom, Owen, and Harry have $238 in total. Harry has $25.10 less than Owen and $75.10 more than Tom. How much does Owen have?
4 m
D 4 operations Money Model Comparison Units method
105 P4.DE.NK.22121204
Level 3
Lucy saved some of her school pocket money for 4 days. She saved $3 on the first day. For the remaining 3 days, she saved $0.40 more than the previous day.
  1. How much money did she save in 4 days?
  2. Lucy then spent all her savings on 9 identical notebooks. How much did each notebook cost?
4 m
D 4 operations Money Model Comparison

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