1 P2.ST.JC.18120758
Level 2
A + B = 30
A + B + B = 50

  1. Find B.
  2. Find A.
4 m
W Addition & subtraction Repeated identity Units & parts Substitution
2 P2.ST.JC.18120759
Level 3
A + B = 50 - 20
A + B + B = 10 + 40

  1. Find B.
  2. Find A.
4 m
W Addition & subtraction Repeated identity Units & parts Substitution
3 P2.ST.JC.18120760
Level 2
A + B = 30
B + B = 20

  1. Find B.
  2. Find A.
4 m
W 4 operations Repeated identity Units & parts

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