hard Set 24 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, _] → [22, 24, _] → [9, _, _, 3] → [_, _, 9, _, 1]

Show answer

Answer: Row4[2]=13, Row1[1]=84, Row2[2]=38, Row5[1]=5, Row3[3]=14, Row4[3]=11, Row5[2]=4, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [46,38]
  • [22,24,14]
  • [9,13,11,3]
  • [5,4,9,2,1]
Base
  • 5
  • 4
  • 9
  • 2
  • 1
TopValue
84
HiddenCells
  • {"r":3,"c":1,"v":13}
  • {"r":0,"c":0,"v":84}
  • {"r":1,"c":1,"v":38}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [82] → [38, 44] → [19, 19, _] → [12, _, _, _] → [_, 2, _, _, _]

Show answer

Answer: Row3[3]=25, Row4[4]=13, Row5[3]=5, Row5[5]=6, Row4[2]=7, Row5[1]=10, Row4[3]=12, Row5[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [38,44]
  • [19,19,25]
  • [12,7,12,13]
  • [10,2,5,7,6]
Base
  • 10
  • 2
  • 5
  • 7
  • 6
TopValue
82
HiddenCells
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":1,"v":7}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":2,"v":12}
  • {"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): [_] → [_, _] → [17, 17, 17] → [7, _, 7, _] → [3, _, 6, _, _]

Show answer

Answer: Row2[1]=34, Row5[5]=9, Row4[2]=10, Row2[2]=34, Row1[1]=68, Row5[2]=4, Row4[4]=10, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [34,34]
  • [17,17,17]
  • [7,10,7,10]
  • [3,4,6,1,9]
Base
  • 3
  • 4
  • 6
  • 1
  • 9
TopValue
68
HiddenCells
  • {"r":1,"c":0,"v":34}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":1,"v":34}
  • {"r":0,"c":0,"v":68}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, _] → [8, _, 12, 6] → [5, 3, 7, _, 1]

Show answer

Answer: Row1[1]=80, Row3[2]=22, Row2[2]=40, Row3[1]=18, Row2[1]=40, Row4[2]=10, Row5[4]=5, Row3[3]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [40,40]
  • [18,22,18]
  • [8,10,12,6]
  • [5,3,7,5,1]
Base
  • 5
  • 3
  • 7
  • 5
  • 1
TopValue
80
HiddenCells
  • {"r":0,"c":0,"v":80}
  • {"r":2,"c":1,"v":22}
  • {"r":1,"c":1,"v":40}
  • {"r":2,"c":0,"v":18}
  • {"r":1,"c":0,"v":40}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":2,"v":18}