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): [_] → [55, 54] → [_, 30, _] → [11, _, _, 8] → [7, _, _, _, 2]

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Answer: Row4[3]=16, Row5[3]=10, Row5[2]=4, Row5[4]=6, Row4[2]=14, Row3[3]=24, Row1[1]=109, Row3[1]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [55,54]
  • [25,30,24]
  • [11,14,16,8]
  • [7,4,10,6,2]
Base
  • 7
  • 4
  • 10
  • 6
  • 2
TopValue
109
HiddenCells
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":1,"v":14}
  • {"r":2,"c":2,"v":24}
  • {"r":0,"c":0,"v":109}
  • {"r":2,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, _] → [_, _, 27] → [_, 13, 10, 17] → [_, 10, 3, _, _]

Show answer

Answer: Row5[1]=9, Row1[1]=105, Row3[1]=32, Row5[5]=10, Row2[2]=50, Row4[1]=19, Row3[2]=23, Row5[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [55,50]
  • [32,23,27]
  • [19,13,10,17]
  • [9,10,3,7,10]
Base
  • 9
  • 10
  • 3
  • 7
  • 10
TopValue
105
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":0,"c":0,"v":105}
  • {"r":2,"c":0,"v":32}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":1,"v":50}
  • {"r":3,"c":0,"v":19}
  • {"r":2,"c":1,"v":23}
  • {"r":4,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [26, _, _] → [15, 11, _, 11] → [_, 5, 6, 2, _]

Show answer

Answer: Row1[1]=83, Row2[2]=38, Row3[3]=19, Row4[3]=8, Row5[1]=10, Row2[1]=45, Row3[2]=19, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [45,38]
  • [26,19,19]
  • [15,11,8,11]
  • [10,5,6,2,9]
Base
  • 10
  • 5
  • 6
  • 2
  • 9
TopValue
83
HiddenCells
  • {"r":0,"c":0,"v":83}
  • {"r":1,"c":1,"v":38}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":0,"v":45}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":4,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [147] → [76, 71] → [_, 37, _] → [_, 19, _, _] → [10, _, _, 9, _]

Show answer

Answer: Row5[5]=7, Row3[3]=34, Row3[1]=39, Row4[4]=16, Row4[1]=20, Row5[3]=9, Row4[3]=18, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [147]
  • [76,71]
  • [39,37,34]
  • [20,19,18,16]
  • [10,10,9,9,7]
Base
  • 10
  • 10
  • 9
  • 9
  • 7
TopValue
147
HiddenCells
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":2,"v":34}
  • {"r":2,"c":0,"v":39}
  • {"r":3,"c":3,"v":16}
  • {"r":3,"c":0,"v":20}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":2,"v":18}
  • {"r":4,"c":1,"v":10}