hard Set 74 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [116] → [57, _] → [_, _, _] → [_, 15, 17, _] → [_, 7, 8, 9, _]

Show answer

Answer: Row2[2]=59, Row3[3]=27, Row3[1]=25, Row4[1]=10, Row3[2]=32, Row5[5]=1, Row5[1]=3, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [57,59]
  • [25,32,27]
  • [10,15,17,10]
  • [3,7,8,9,1]
Base
  • 3
  • 7
  • 8
  • 9
  • 1
TopValue
116
HiddenCells
  • {"r":1,"c":1,"v":59}
  • {"r":2,"c":2,"v":27}
  • {"r":2,"c":0,"v":25}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":1,"v":32}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [117] → [_, 62] → [_, 29, 33] → [13, _, _, _] → [_, _, 6, 10, _]

Show answer

Answer: Row5[1]=6, Row3[1]=26, Row5[2]=7, Row2[1]=55, Row4[3]=16, Row4[4]=17, Row5[5]=7, Row4[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [55,62]
  • [26,29,33]
  • [13,13,16,17]
  • [6,7,6,10,7]
Base
  • 6
  • 7
  • 6
  • 10
  • 7
TopValue
117
HiddenCells
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":0,"v":55}
  • {"r":3,"c":2,"v":16}
  • {"r":3,"c":3,"v":17}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, 28] → [_, 18, _] → [14, _, _, 3] → [_, 6, _, _, 1]

Show answer

Answer: Row5[4]=2, Row1[1]=71, Row3[1]=25, Row5[3]=5, Row4[3]=7, Row3[3]=10, Row5[1]=8, Row4[2]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [43,28]
  • [25,18,10]
  • [14,11,7,3]
  • [8,6,5,2,1]
Base
  • 8
  • 6
  • 5
  • 2
  • 1
TopValue
71
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":0,"c":0,"v":71}
  • {"r":2,"c":0,"v":25}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":2,"v":10}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [28, _, 21] → [13, _, _, 8] → [4, _, 6, _, 1]

Show answer

Answer: Row4[3]=13, Row2[1]=56, Row5[4]=7, Row5[2]=9, Row4[2]=15, Row1[1]=105, Row2[2]=49, Row3[2]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [56,49]
  • [28,28,21]
  • [13,15,13,8]
  • [4,9,6,7,1]
Base
  • 4
  • 9
  • 6
  • 7
  • 1
TopValue
105
HiddenCells
  • {"r":3,"c":2,"v":13}
  • {"r":1,"c":0,"v":56}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":1,"v":15}
  • {"r":0,"c":0,"v":105}
  • {"r":1,"c":1,"v":49}
  • {"r":2,"c":1,"v":28}