hard Set 59 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, _] → [14, 21, _] → [5, 9, _, _] → [1, 4, _, _, _]

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Answer: Row5[3]=5, Row5[4]=7, Row2[2]=45, Row2[1]=35, Row4[3]=12, Row3[3]=24, Row4[4]=12, Row5[5]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [35,45]
  • [14,21,24]
  • [5,9,12,12]
  • [1,4,5,7,5]
Base
  • 1
  • 4
  • 5
  • 7
  • 5
TopValue
80
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":3,"v":7}
  • {"r":1,"c":1,"v":45}
  • {"r":1,"c":0,"v":35}
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":2,"v":24}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":4,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [104] → [47, 57] → [_, 26, 31] → [_, 9, _, 14] → [_, _, _, _, _]

Show answer

Answer: Row5[5]=4, Row4[1]=12, Row5[2]=2, Row5[4]=10, Row4[3]=17, Row5[1]=10, Row3[1]=21, Row5[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [47,57]
  • [21,26,31]
  • [12,9,17,14]
  • [10,2,7,10,4]
Base
  • 10
  • 2
  • 7
  • 10
  • 4
TopValue
104
HiddenCells
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":2,"v":17}
  • {"r":4,"c":0,"v":10}
  • {"r":2,"c":0,"v":21}
  • {"r":4,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 20, _] → [8, 10, _, 9] → [5, _, 7, 3, _]

Show answer

Answer: Row4[3]=10, Row5[5]=6, Row1[1]=77, Row2[2]=39, Row3[3]=19, Row2[1]=38, Row5[2]=3, Row3[1]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [38,39]
  • [18,20,19]
  • [8,10,10,9]
  • [5,3,7,3,6]
Base
  • 5
  • 3
  • 7
  • 3
  • 6
TopValue
77
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":4,"v":6}
  • {"r":0,"c":0,"v":77}
  • {"r":1,"c":1,"v":39}
  • {"r":2,"c":2,"v":19}
  • {"r":1,"c":0,"v":38}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [73, 67] → [_, 35, _] → [19, 19, _, 16] → [10, _, _, _, _]

Show answer

Answer: Row3[3]=32, Row5[5]=10, Row5[3]=10, Row3[1]=38, Row5[2]=9, Row4[3]=16, Row1[1]=140, Row5[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [140]
  • [73,67]
  • [38,35,32]
  • [19,19,16,16]
  • [10,9,10,6,10]
Base
  • 10
  • 9
  • 10
  • 6
  • 10
TopValue
140
HiddenCells
  • {"r":2,"c":2,"v":32}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":0,"v":38}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":2,"v":16}
  • {"r":0,"c":0,"v":140}
  • {"r":4,"c":3,"v":6}