medium Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, 29] → [18, _, 15] → [9, _, _, 10]

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Answer: Row3[2]=14, Row4[3]=5, Row4[2]=9, Row1[1]=61

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [32,29]
  • [18,14,15]
  • [9,9,5,10]
Base
  • 9
  • 9
  • 5
  • 10
TopValue
61
HiddenCells
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":1,"v":9}
  • {"r":0,"c":0,"v":61}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, 32] → [11, _, 15] → [_, _, 7, 8]

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Answer: Row3[2]=17, Row4[2]=10, Row1[1]=60, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [28,32]
  • [11,17,15]
  • [1,10,7,8]
Base
  • 1
  • 10
  • 7
  • 8
TopValue
60
HiddenCells
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":60}
  • {"r":3,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [_, 14, 13] → [5, _, 6, 7]

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Answer: Row3[1]=13, Row2[2]=27, Row4[2]=8, Row1[1]=54

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [27,27]
  • [13,14,13]
  • [5,8,6,7]
Base
  • 5
  • 8
  • 6
  • 7
TopValue
54
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":54}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [31, _] → [_, _, 13] → [_, 6, 10, 3]

Show answer

Answer: Row4[1]=9, Row3[1]=15, Row2[2]=29, Row3[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [31,29]
  • [15,16,13]
  • [9,6,10,3]
Base
  • 9
  • 6
  • 10
  • 3
TopValue
60
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":15}
  • {"r":1,"c":1,"v":29}
  • {"r":2,"c":1,"v":16}