hard Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 21, 19] → [5, _, 10, _] → [_, 2, 9, _, 8]

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Answer: Row4[4]=9, Row3[1]=16, Row1[1]=77, Row4[2]=11, Row5[1]=3, Row2[2]=40, Row2[1]=37, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [37,40]
  • [16,21,19]
  • [5,11,10,9]
  • [3,2,9,1,8]
Base
  • 3
  • 2
  • 9
  • 1
  • 8
TopValue
77
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":16}
  • {"r":0,"c":0,"v":77}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":1,"v":40}
  • {"r":1,"c":0,"v":37}
  • {"r":4,"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): [79] → [_, _] → [23, 18, 20] → [_, _, 8, _] → [_, 7, _, _, 7]

Show answer

Answer: Row5[4]=5, Row5[3]=3, Row2[1]=41, Row2[2]=38, Row4[1]=13, Row5[1]=6, Row4[2]=10, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [41,38]
  • [23,18,20]
  • [13,10,8,12]
  • [6,7,3,5,7]
Base
  • 6
  • 7
  • 3
  • 5
  • 7
TopValue
79
HiddenCells
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":0,"v":41}
  • {"r":1,"c":1,"v":38}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":3,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [28, 34] → [15, _, _] → [_, _, 7, _] → [_, 5, _, 6, _]

Show answer

Answer: Row5[5]=8, Row3[2]=13, Row5[3]=1, Row3[3]=21, Row5[1]=4, Row4[1]=9, Row4[4]=14, Row4[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [28,34]
  • [15,13,21]
  • [9,6,7,14]
  • [4,5,1,6,8]
Base
  • 4
  • 5
  • 1
  • 6
  • 8
TopValue
62
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 19, 18] → [_, 9, 10, _] → [_, _, 3, 7, 1]

Show answer

Answer: Row2[2]=37, Row1[1]=73, Row4[4]=8, Row4[1]=8, Row5[2]=6, Row3[1]=17, Row5[1]=2, Row2[1]=36

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [36,37]
  • [17,19,18]
  • [8,9,10,8]
  • [2,6,3,7,1]
Base
  • 2
  • 6
  • 3
  • 7
  • 1
TopValue
73
HiddenCells
  • {"r":1,"c":1,"v":37}
  • {"r":0,"c":0,"v":73}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":0,"v":2}
  • {"r":1,"c":0,"v":36}