61 P5.AP.NK.23022718
Level 3
The figure is made up of four small squares. Linda had painted part of one square white and the rest of the figure grey. The perimeter of the white part is 38 cm and the perimeter of the grey part is 72 cm. Find the area of one small square.
4 m
Square Rectilinear figure Composite figure perimeter Units & parts Elimination
62 P5.FR.JC.17083324
Level 3
Pinpin bought 1500 stickers and Don bought 2840 stickers. After Don used 25 times as many stickers as Pinpin, he was left with twice as many stickers as Pinpin. How many stickers did each of them have in the end?
  1. Pinpin
  2. Don
5 m
Fraction to units Times as many All change Units table Units & parts Substitution
63 P5.FR.JC.17083323
Level 3
Pauline bought 200 blue and red balloons for a party. The number of red balloons was 35 times as many as the number of blue balloons. Pauline used 13 times as many red balloons as blue balloons and was left with twice as many red balloons as blue balloons. How many balloons did Pauline have in the end?
5 m
Fraction of a set Fraction to units Times as many All change Units table Units & parts & boxes Elimination
64 P5.FR.JM.170830100
Level 3
Miki, Natalie and Ollie each had some beads and decided to play a game with their beads. In round 1, Miki lost 12 of her beads to Natalie. In round 2, Natalie lost 12 of her total number of beads to Ollie. In round 3, Ollie lost 12 of her total number of beads to Miki. In the end, Miki, Natalie and Ollie had 124, 88 and 68 beads respectively. How many beads did Natalie have at first?
5 m
Fraction of a set Working backwards Internal transfer Units & parts & boxes Units table
65 P5.AP.JM.17083147
Level 3
Some identical rectangular tiles are arranged to form a big rectangle as shown. The length of each tile is 36 cm. Find the area of the shaded part.
5 m
Rectangle Tiling Units & parts
66 P5.AP.JM.17083149
Level 3
Mr Chen used some identical rectangular tiles and black square tiles to decorate part of a floor as shown. The length of each tile is 34.5 cm.
  1. Find the width of each tile.
  2. Find the total area of the shaded regions.
5 m
Square Rectangle Tiling Units & parts

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