hard Set 70 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [109] → [57, 52] → [_, 28, 24] → [_, 14, 14, _] → [_, _, _, _, _]

Show answer

Answer: Row5[1]=7, Row4[4]=10, Row3[1]=29, Row5[5]=2, Row4[1]=15, Row5[4]=8, Row5[2]=8, Row5[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [57,52]
  • [29,28,24]
  • [15,14,14,10]
  • [7,8,6,8,2]
Base
  • 7
  • 8
  • 6
  • 8
  • 2
TopValue
109
HiddenCells
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":0,"v":29}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":1,"v":8}
  • {"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): [105] → [49, _] → [_, _, 29] → [10, _, _, 14] → [4, 6, _, _, _]

Show answer

Answer: Row3[2]=27, Row3[1]=22, Row4[2]=12, Row2[2]=56, Row4[3]=15, Row5[3]=6, Row5[4]=9, Row5[5]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [49,56]
  • [22,27,29]
  • [10,12,15,14]
  • [4,6,6,9,5]
Base
  • 4
  • 6
  • 6
  • 9
  • 5
TopValue
105
HiddenCells
  • {"r":2,"c":1,"v":27}
  • {"r":2,"c":0,"v":22}
  • {"r":3,"c":1,"v":12}
  • {"r":1,"c":1,"v":56}
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":3,"v":9}
  • {"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): [_] → [_, _] → [_, _, 17] → [_, 2, _, _] → [4, 1, 1, 3, 10]

Show answer

Answer: Row2[1]=13, Row1[1]=36, Row4[4]=13, Row3[1]=7, Row2[2]=23, Row4[3]=4, Row3[2]=6, Row4[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [36]
  • [13,23]
  • [7,6,17]
  • [5,2,4,13]
  • [4,1,1,3,10]
Base
  • 4
  • 1
  • 1
  • 3
  • 10
TopValue
36
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":0,"c":0,"v":36}
  • {"r":3,"c":3,"v":13}
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":1,"v":23}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":1,"v":6}
  • {"r":3,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 40] → [19, 19, 21] → [_, 9, _, _] → [_, _, _, 3, 8]

Show answer

Answer: Row5[1]=8, Row1[1]=78, Row4[3]=10, Row4[4]=11, Row2[1]=38, Row5[2]=2, Row5[3]=7, Row4[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [38,40]
  • [19,19,21]
  • [10,9,10,11]
  • [8,2,7,3,8]
Base
  • 8
  • 2
  • 7
  • 3
  • 8
TopValue
78
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":0,"c":0,"v":78}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":3,"v":11}
  • {"r":1,"c":0,"v":38}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":0,"v":10}