Study the pattern. Find the values of C and D.
- C
- D
Pattern:
5 + 3 = 8
Top row: Left number + Centre number = Right number
Middle row: Left number + Centre number = Right number
Bottom row: Left number + Centre number = Right number
(a)
C = 7 - 3 = 4
(b)
D = 15 - 3 = 12
Answer(s): (a) 4; (b) 12