141 P4.AP.NK.23050841
Level 3
The figure is made up of 4 rectangles. The lengths and breadths of each rectangle are in whole numbers. Find the area of the shaded rectangle.
4 m
Length Rectangle Rectilinear figure Common factors
142 P4.AP.JM.17100242
Level 3
The figure, not drawn to scale, shows Square X and Square Y inside Square ABCD. The area of Square Y is 49 cm2 and the area of Square ABCD is 144 cm2.
  1. Find the length of one side of Square X.
  2. Find the perimeter of the shaded region.
4 m
Length Square Square & square root
143 P4.AP.JM.17100239
Level 3
Figure A is a rectangle with an area of 192 cm2. The breadth of the rectangle is 34 as long as its length. Figure B is a square. Given that both figures have the same perimeter, find the area of Figure B.
4 m
Square Square & square root Rectangle Fraction to units Equal stage Units method
144 P4.AP.NK.23050833
Level 3
The figure is a square that is made up of 3 identical rectangles. The square has an area of 36 cm2. Find the perimeter of the shaded rectangle.
4 m
Length Square Rectangle Square & square root Units method
145 P4.WN.JC.17100407
Level 3
There are 42 boxes of cakes. 3 of these boxes are without ribbons. The ribbon used for each box is 12 cm long.
  1. How many of the boxes are with ribbons?
  2. What is the total length of the ribbons used for the boxes? (Give the answer in meters and centimeters.)
4 m
W 4 operations Length Unit conversion Model Part-whole

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