hard Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, 54] → [_, 29, _] → [11, 14, _, _] → [4, _, _, _, 2]

Show answer

Answer: Row4[4]=10, Row1[1]=108, Row4[3]=15, Row3[3]=25, Row5[2]=7, Row5[4]=8, Row5[3]=7, Row3[1]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [54,54]
  • [25,29,25]
  • [11,14,15,10]
  • [4,7,7,8,2]
Base
  • 4
  • 7
  • 7
  • 8
  • 2
TopValue
108
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":0,"c":0,"v":108}
  • {"r":3,"c":2,"v":15}
  • {"r":2,"c":2,"v":25}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":2,"v":7}
  • {"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): [_] → [_, 35] → [_, 12, _] → [8, 3, _, _] → [7, 1, _, _, 7]

Show answer

Answer: Row4[4]=14, Row2[1]=23, Row3[1]=11, Row1[1]=58, Row5[3]=2, Row3[3]=23, Row4[3]=9, Row5[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [23,35]
  • [11,12,23]
  • [8,3,9,14]
  • [7,1,2,7,7]
Base
  • 7
  • 1
  • 2
  • 7
  • 7
TopValue
58
HiddenCells
  • {"r":3,"c":3,"v":14}
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":0,"v":11}
  • {"r":0,"c":0,"v":58}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":2,"v":9}
  • {"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): [72] → [42, 30] → [_, _, 13] → [13, 12, _, _] → [_, _, _, _, 6]

Show answer

Answer: Row5[4]=2, Row5[3]=3, Row4[4]=8, Row3[1]=25, Row5[1]=4, Row3[2]=17, Row4[3]=5, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [42,30]
  • [25,17,13]
  • [13,12,5,8]
  • [4,9,3,2,6]
Base
  • 4
  • 9
  • 3
  • 2
  • 6
TopValue
72
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":0,"v":25}
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, _] → [25, _, _] → [17, _, _, _] → [10, 7, _, 9, 7]

Show answer

Answer: Row3[3]=26, Row4[2]=8, Row4[4]=16, Row2[2]=44, Row3[2]=18, Row5[3]=1, Row1[1]=87, Row4[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [43,44]
  • [25,18,26]
  • [17,8,10,16]
  • [10,7,1,9,7]
Base
  • 10
  • 7
  • 1
  • 9
  • 7
TopValue
87
HiddenCells
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":3,"v":16}
  • {"r":1,"c":1,"v":44}
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":2,"v":1}
  • {"r":0,"c":0,"v":87}
  • {"r":3,"c":2,"v":10}