medium Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [_, 20] → [6, _, 11] → [_, 4, _, 6]

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Answer: Row4[1]=2, Row2[1]=15, Row3[2]=9, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [15,20]
  • [6,9,11]
  • [2,4,5,6]
Base
  • 2
  • 4
  • 5
  • 6
TopValue
35
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":0,"v":15}
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 20] → [_, 9, 11] → [9, _, 4, _]

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Answer: Row3[1]=14, Row4[2]=5, Row1[1]=43, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [23,20]
  • [14,9,11]
  • [9,5,4,7]
Base
  • 9
  • 5
  • 4
  • 7
TopValue
43
HiddenCells
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":1,"v":5}
  • {"r":0,"c":0,"v":43}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [23, _] → [8, 15, _] → [2, _, 9, _]

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Answer: Row3[3]=12, Row4[2]=6, Row4[4]=3, Row2[2]=27

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [23,27]
  • [8,15,12]
  • [2,6,9,3]
Base
  • 2
  • 6
  • 9
  • 3
TopValue
50
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":1,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [19, _] → [10, 9, 8] → [_, _, 1, _]

Show answer

Answer: Row4[1]=2, Row4[2]=8, Row2[2]=17, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [19,17]
  • [10,9,8]
  • [2,8,1,7]
Base
  • 2
  • 8
  • 1
  • 7
TopValue
36
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":17}
  • {"r":3,"c":3,"v":7}