11 P3.WN.JM.17110350
Level 2
A + B = 28 and A + B + A = 52,
what is A x B?
4 m
W 4 operations Units & parts Substitution
12 P3.WN.JM.17110721
Level 2
Study the diagram. Find the value of the diamond.
4 m
W 4 operations Units & parts Substitution
13 P3.WN.JC.17121079
Level 3
The mass of a stone is 42 g. The total mass of this stone and 5 identical marbles is equal to the total mass of 8 such marbles.
  1. Find the mass of each marble.
  2. Find the total mass of 1 stone and 5 marbles.
4 m
W 4 operations Mass Equal stage Model Part-whole Units equations Units & parts Substitution
14 P3.WN.JM.17110794
Level 3
There were 3 similar big boxes of the same mass. There were another 4 similar small boxes of the same mass. The total mass of the big and small boxes was 90 kg. The mass of a big box was twice the mass of a small box. Find the total mass of a big box and a small box.
4 m
W 4 operations Mass Model Times-as-many Units & parts Substitution
15 P3.WN.JM.17110351
Level 3
Study the diagram. Find the value of the pentagon.
4 m
W 4 operations Units & parts Substitution

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