medium Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 30] → [3, _, 19] → [2, 1, 10, _]

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Answer: Row4[4]=9, Row1[1]=44, Row3[2]=11, Row2[1]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [14,30]
  • [3,11,19]
  • [2,1,10,9]
Base
  • 2
  • 1
  • 10
  • 9
TopValue
44
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":0,"c":0,"v":44}
  • {"r":2,"c":1,"v":11}
  • {"r":1,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [_, 25] → [_, 11, 14] → [4, _, _, 8]

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Answer: Row4[3]=6, Row2[1]=20, Row4[2]=5, Row3[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [20,25]
  • [9,11,14]
  • [4,5,6,8]
Base
  • 4
  • 5
  • 6
  • 8
TopValue
45
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":0,"v":20}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [18, _] → [12, 6, _] → [7, 5, _, _]

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Answer: Row4[4]=3, Row4[3]=1, Row2[2]=10, Row3[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [18,10]
  • [12,6,4]
  • [7,5,1,3]
Base
  • 7
  • 5
  • 1
  • 3
TopValue
28
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":2,"v":1}
  • {"r":1,"c":1,"v":10}
  • {"r":2,"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] → [29, _] → [_, 11, _] → [9, 9, _, 2]

Show answer

Answer: Row3[3]=4, Row3[1]=18, Row4[3]=2, Row2[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [29,15]
  • [18,11,4]
  • [9,9,2,2]
Base
  • 9
  • 9
  • 2
  • 2
TopValue
44
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":1,"v":15}