medium Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [24, 18] → [12, 12, 6] → [_, _, _, _]

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Answer: Row4[3]=5, Row4[2]=7, Row4[1]=5, Row4[4]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [24,18]
  • [12,12,6]
  • [5,7,5,1]
Base
  • 5
  • 7
  • 5
  • 1
TopValue
42
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [31, 30] → [16, _, _] → [6, 10, _, _]

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Answer: Row4[4]=10, Row3[3]=15, Row4[3]=5, Row3[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [31,30]
  • [16,15,15]
  • [6,10,5,10]
Base
  • 6
  • 10
  • 5
  • 10
TopValue
61
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, _] → [9, _, 2] → [_, 8, 1, 1]

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Answer: Row4[1]=1, Row2[2]=11, Row2[1]=18, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [29]
  • [18,11]
  • [9,9,2]
  • [1,8,1,1]
Base
  • 1
  • 8
  • 1
  • 1
TopValue
29
HiddenCells
  • {"r":3,"c":0,"v":1}
  • {"r":1,"c":1,"v":11}
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [_, 18] → [13, _, _] → [3, _, 2, 4]

Show answer

Answer: Row2[1]=25, Row3[2]=12, Row4[2]=10, Row3[3]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [25,18]
  • [13,12,6]
  • [3,10,2,4]
Base
  • 3
  • 10
  • 2
  • 4
TopValue
43
HiddenCells
  • {"r":1,"c":0,"v":25}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":2,"v":6}