hard Set 43 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [_, 31] → [30, 18, 13] → [_, _, _, _] → [_, _, 2, 4, _]

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Answer: Row4[3]=6, Row5[1]=8, Row4[1]=18, Row5[2]=10, Row2[1]=48, Row4[2]=12, Row4[4]=7, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [48,31]
  • [30,18,13]
  • [18,12,6,7]
  • [8,10,2,4,3]
Base
  • 8
  • 10
  • 2
  • 4
  • 3
TopValue
79
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":0,"v":18}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":0,"v":48}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [89] → [_, _] → [_, 23, _] → [_, 10, 13, _] → [_, _, 4, 9, 4]

Show answer

Answer: Row5[2]=6, Row3[1]=17, Row4[4]=13, Row2[1]=40, Row3[3]=26, Row4[1]=7, Row5[1]=1, Row2[2]=49

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [40,49]
  • [17,23,26]
  • [7,10,13,13]
  • [1,6,4,9,4]
Base
  • 1
  • 6
  • 4
  • 9
  • 4
TopValue
89
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":3,"v":13}
  • {"r":1,"c":0,"v":40}
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":0,"v":1}
  • {"r":1,"c":1,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [72, _] → [_, _, 32] → [15, 19, _, 13] → [_, _, 9, 10, _]

Show answer

Answer: Row3[2]=38, Row5[5]=3, Row2[2]=70, Row5[1]=5, Row5[2]=10, Row1[1]=142, Row4[3]=19, Row3[1]=34

SubType
number-pyramid
Difficulty
hard
Levels
  • [142]
  • [72,70]
  • [34,38,32]
  • [15,19,19,13]
  • [5,10,9,10,3]
Base
  • 5
  • 10
  • 9
  • 10
  • 3
TopValue
142
HiddenCells
  • {"r":2,"c":1,"v":38}
  • {"r":4,"c":4,"v":3}
  • {"r":1,"c":1,"v":70}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":1,"v":10}
  • {"r":0,"c":0,"v":142}
  • {"r":3,"c":2,"v":19}
  • {"r":2,"c":0,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [128] → [68, 60] → [_, _, _] → [_, _, 16, _] → [8, _, 10, 6, _]

Show answer

Answer: Row3[2]=34, Row4[1]=16, Row4[4]=10, Row5[5]=4, Row4[2]=18, Row5[2]=8, Row3[3]=26, Row3[1]=34

SubType
number-pyramid
Difficulty
hard
Levels
  • [128]
  • [68,60]
  • [34,34,26]
  • [16,18,16,10]
  • [8,8,10,6,4]
Base
  • 8
  • 8
  • 10
  • 6
  • 4
TopValue
128
HiddenCells
  • {"r":2,"c":1,"v":34}
  • {"r":3,"c":0,"v":16}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":1,"v":18}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":2,"v":26}
  • {"r":2,"c":0,"v":34}