medium Set 19 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [23, _] → [11, _, 8] → [_, 10, 2, _]

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Answer: Row4[1]=1, Row3[2]=12, Row2[2]=20, Row4[4]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [23,20]
  • [11,12,8]
  • [1,10,2,6]
Base
  • 1
  • 10
  • 2
  • 6
TopValue
43
HiddenCells
  • {"r":3,"c":0,"v":1}
  • {"r":2,"c":1,"v":12}
  • {"r":1,"c":1,"v":20}
  • {"r":3,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [27, _] → [16, 11, _] → [_, 9, _, 5]

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Answer: Row4[1]=7, Row3[3]=7, Row4[3]=2, Row2[2]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [27,18]
  • [16,11,7]
  • [7,9,2,5]
Base
  • 7
  • 9
  • 2
  • 5
TopValue
45
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":2,"v":7}
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 15] → [_, _, 6] → [5, 5, 4, _]

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Answer: Row3[2]=9, Row4[4]=2, Row3[1]=10, Row1[1]=34

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [19,15]
  • [10,9,6]
  • [5,5,4,2]
Base
  • 5
  • 5
  • 4
  • 2
TopValue
34
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":3,"v":2}
  • {"r":2,"c":0,"v":10}
  • {"r":0,"c":0,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [21, _] → [14, _, 4] → [_, _, 1, 3]

Show answer

Answer: Row4[2]=6, Row4[1]=8, Row3[2]=7, Row2[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [21,11]
  • [14,7,4]
  • [8,6,1,3]
Base
  • 8
  • 6
  • 1
  • 3
TopValue
32
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":1,"v":11}