medium Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [28, 30] → [14, _, _] → [6, _, _, 10]

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Answer: Row4[2]=8, Row3[3]=16, Row4[3]=6, Row3[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [28,30]
  • [14,14,16]
  • [6,8,6,10]
Base
  • 6
  • 8
  • 6
  • 10
TopValue
58
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [26, 22] → [12, _, 8] → [_, _, _, 2]

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Answer: Row3[2]=14, Row4[1]=4, Row4[3]=6, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [26,22]
  • [12,14,8]
  • [4,8,6,2]
Base
  • 4
  • 8
  • 6
  • 2
TopValue
48
HiddenCells
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 34] → [_, 18, 16] → [_, 9, 9, 7]

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Answer: Row1[1]=70, Row4[1]=9, Row3[1]=18, Row2[1]=36

SubType
number-pyramid
Difficulty
medium
Levels
  • [70]
  • [36,34]
  • [18,18,16]
  • [9,9,9,7]
Base
  • 9
  • 9
  • 9
  • 7
TopValue
70
HiddenCells
  • {"r":0,"c":0,"v":70}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":18}
  • {"r":1,"c":0,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [_, 25] → [18, 13, 12] → [8, _, _, _]

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Answer: Row2[1]=31, Row4[4]=9, Row4[2]=10, Row4[3]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [31,25]
  • [18,13,12]
  • [8,10,3,9]
Base
  • 8
  • 10
  • 3
  • 9
TopValue
56
HiddenCells
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":2,"v":3}