medium Set 22 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [_, _] → [_, 12, 18] → [_, 3, 9, 9]

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Answer: Row4[1]=9, Row3[1]=12, Row2[2]=30, Row2[1]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [24,30]
  • [12,12,18]
  • [9,3,9,9]
Base
  • 9
  • 3
  • 9
  • 9
TopValue
54
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":1,"v":30}
  • {"r":1,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [23, _] → [_, 9, _] → [8, 6, 3, _]

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Answer: Row2[2]=20, Row4[4]=8, Row3[1]=14, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [23,20]
  • [14,9,11]
  • [8,6,3,8]
Base
  • 8
  • 6
  • 3
  • 8
TopValue
43
HiddenCells
  • {"r":1,"c":1,"v":20}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [15, _] → [10, 5, 10] → [_, _, _, 6]

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Answer: Row4[1]=9, Row4[2]=1, Row2[2]=15, Row4[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [15,15]
  • [10,5,10]
  • [9,1,4,6]
Base
  • 9
  • 1
  • 4
  • 6
TopValue
30
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":1,"v":15}
  • {"r":3,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [_, 26] → [_, 9, _] → [7, _, 7, 10]

Show answer

Answer: Row2[1]=18, Row3[1]=9, Row4[2]=2, Row3[3]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [18,26]
  • [9,9,17]
  • [7,2,7,10]
Base
  • 7
  • 2
  • 7
  • 10
TopValue
44
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":0,"v":9}
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":2,"v":17}