hard Set 54 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 28] → [18, 13, _] → [10, _, 5, _] → [_, _, _, 2, 8]

Show answer

Answer: Row2[1]=31, Row4[2]=8, Row4[4]=10, Row5[3]=3, Row5[1]=5, Row3[3]=15, Row1[1]=59, Row5[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [31,28]
  • [18,13,15]
  • [10,8,5,10]
  • [5,5,3,2,8]
Base
  • 5
  • 5
  • 3
  • 2
  • 8
TopValue
59
HiddenCells
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":2,"v":15}
  • {"r":0,"c":0,"v":59}
  • {"r":4,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, 47] → [_, 23, _] → [_, _, 14, _] → [1, 4, 5, _, _]

Show answer

Answer: Row5[5]=1, Row3[1]=14, Row3[3]=24, Row4[4]=10, Row4[2]=9, Row5[4]=9, Row1[1]=84, Row4[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [37,47]
  • [14,23,24]
  • [5,9,14,10]
  • [1,4,5,9,1]
Base
  • 1
  • 4
  • 5
  • 9
  • 1
TopValue
84
HiddenCells
  • {"r":4,"c":4,"v":1}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":2,"v":24}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":3,"v":9}
  • {"r":0,"c":0,"v":84}
  • {"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): [109] → [_, 59] → [_, 25, _] → [_, _, _, 19] → [_, _, 5, 10, 9]

Show answer

Answer: Row3[1]=25, Row4[3]=15, Row5[2]=5, Row5[1]=10, Row4[2]=10, Row4[1]=15, Row3[3]=34, Row2[1]=50

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [50,59]
  • [25,25,34]
  • [15,10,15,19]
  • [10,5,5,10,9]
Base
  • 10
  • 5
  • 5
  • 10
  • 9
TopValue
109
HiddenCells
  • {"r":2,"c":0,"v":25}
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":2,"v":34}
  • {"r":1,"c":0,"v":50}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [11, 23, 33] → [_, 7, 16, 17] → [_, 1, _, _, _]

Show answer

Answer: Row5[1]=3, Row2[1]=34, Row4[1]=4, Row5[5]=7, Row2[2]=56, Row5[3]=6, Row1[1]=90, Row5[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [34,56]
  • [11,23,33]
  • [4,7,16,17]
  • [3,1,6,10,7]
Base
  • 3
  • 1
  • 6
  • 10
  • 7
TopValue
90
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":0,"v":34}
  • {"r":3,"c":0,"v":4}
  • {"r":4,"c":4,"v":7}
  • {"r":1,"c":1,"v":56}
  • {"r":4,"c":2,"v":6}
  • {"r":0,"c":0,"v":90}
  • {"r":4,"c":3,"v":10}