medium Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [24, _] → [13, _, 8] → [_, 9, _, 6]

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Answer: Row4[1]=4, Row2[2]=19, Row4[3]=2, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [24,19]
  • [13,11,8]
  • [4,9,2,6]
Base
  • 4
  • 9
  • 2
  • 6
TopValue
43
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":1,"v":19}
  • {"r":3,"c":2,"v":2}
  • {"r":2,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 19] → [6, 9, _] → [_, 3, _, 4]

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Answer: Row4[3]=6, Row2[1]=15, Row3[3]=10, Row4[1]=3

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 23] → [20, _, 11] → [10, _, 2, 9]

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Answer: Row2[1]=32, Row1[1]=55, Row4[2]=10, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [32,23]
  • [20,12,11]
  • [10,10,2,9]
Base
  • 10
  • 10
  • 2
  • 9
TopValue
55
HiddenCells
  • {"r":1,"c":0,"v":32}
  • {"r":0,"c":0,"v":55}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [33, _] → [19, _, 14] → [10, _, _, 9]

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Answer: Row2[2]=28, Row4[2]=9, Row3[2]=14, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [33,28]
  • [19,14,14]
  • [10,9,5,9]
Base
  • 10
  • 9
  • 5
  • 9
TopValue
61
HiddenCells
  • {"r":1,"c":1,"v":28}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":2,"v":5}