medium Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, _] → [_, 15, 14] → [_, 5, 10, 4]

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Answer: Row1[1]=59, Row4[1]=10, Row3[1]=15, Row2[2]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [30,29]
  • [15,15,14]
  • [10,5,10,4]
Base
  • 10
  • 5
  • 10
  • 4
TopValue
59
HiddenCells
  • {"r":0,"c":0,"v":59}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":15}
  • {"r":1,"c":1,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 22] → [7, 10, _] → [4, 3, 7, _]

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Answer: Row2[1]=17, Row4[4]=5, Row3[3]=12, Row1[1]=39

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [17,22]
  • [7,10,12]
  • [4,3,7,5]
Base
  • 4
  • 3
  • 7
  • 5
TopValue
39
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":2,"v":12}
  • {"r":0,"c":0,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, _] → [_, 7, 10] → [1, 1, _, 4]

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Answer: Row3[1]=2, Row2[1]=9, Row4[3]=6, Row2[2]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [9,17]
  • [2,7,10]
  • [1,1,6,4]
Base
  • 1
  • 1
  • 6
  • 4
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":9}
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [_, 16] → [12, _, 5] → [_, 8, _, 2]

Show answer

Answer: Row2[1]=23, Row4[1]=4, Row4[3]=3, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [23,16]
  • [12,11,5]
  • [4,8,3,2]
Base
  • 4
  • 8
  • 3
  • 2
TopValue
39
HiddenCells
  • {"r":1,"c":0,"v":23}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":1,"v":11}