hard Set 13 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [26, _, _] → [12, 14, 9, _] → [4, 8, _, 3, _]

Show answer

Answer: Row2[2]=42, Row4[4]=10, Row1[1]=91, Row3[3]=19, Row3[2]=23, Row2[1]=49, Row5[5]=7, Row5[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [49,42]
  • [26,23,19]
  • [12,14,9,10]
  • [4,8,6,3,7]
Base
  • 4
  • 8
  • 6
  • 3
  • 7
TopValue
91
HiddenCells
  • {"r":1,"c":1,"v":42}
  • {"r":3,"c":3,"v":10}
  • {"r":0,"c":0,"v":91}
  • {"r":2,"c":2,"v":19}
  • {"r":2,"c":1,"v":23}
  • {"r":1,"c":0,"v":49}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, 55] → [30, _, _] → [18, _, _, 17] → [_, 8, _, _, 8]

Show answer

Answer: Row4[2]=12, Row3[3]=30, Row5[4]=9, Row3[2]=25, Row5[1]=10, Row5[3]=4, Row4[3]=13, Row1[1]=110

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [55,55]
  • [30,25,30]
  • [18,12,13,17]
  • [10,8,4,9,8]
Base
  • 10
  • 8
  • 4
  • 9
  • 8
TopValue
110
HiddenCells
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":2,"v":30}
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":2,"v":13}
  • {"r":0,"c":0,"v":110}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, _] → [28, 26, 24] → [_, _, 11, _] → [_, 8, _, 4, _]

Show answer

Answer: Row5[3]=7, Row4[1]=13, Row5[5]=9, Row5[1]=5, Row4[4]=13, Row2[2]=50, Row1[1]=104, Row4[2]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [54,50]
  • [28,26,24]
  • [13,15,11,13]
  • [5,8,7,4,9]
Base
  • 5
  • 8
  • 7
  • 4
  • 9
TopValue
104
HiddenCells
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":3,"v":13}
  • {"r":1,"c":1,"v":50}
  • {"r":0,"c":0,"v":104}
  • {"r":3,"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): [_] → [38, _] → [16, _, _] → [_, 8, _, 9] → [_, _, 7, 7, 2]

Show answer

Answer: Row3[2]=22, Row2[2]=45, Row5[1]=7, Row3[3]=23, Row1[1]=83, Row4[3]=14, Row4[1]=8, Row5[2]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [38,45]
  • [16,22,23]
  • [8,8,14,9]
  • [7,1,7,7,2]
Base
  • 7
  • 1
  • 7
  • 7
  • 2
TopValue
83
HiddenCells
  • {"r":2,"c":1,"v":22}
  • {"r":1,"c":1,"v":45}
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":2,"v":23}
  • {"r":0,"c":0,"v":83}
  • {"r":3,"c":2,"v":14}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":1,"v":1}