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): [103] → [51, _] → [25, _, 26] → [12, _, _, _] → [3, _, 4, _, _]

Show answer

Answer: Row4[3]=13, Row4[4]=13, Row5[5]=4, Row5[4]=9, Row4[2]=13, Row5[2]=9, Row2[2]=52, Row3[2]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [51,52]
  • [25,26,26]
  • [12,13,13,13]
  • [3,9,4,9,4]
Base
  • 3
  • 9
  • 4
  • 9
  • 4
TopValue
103
HiddenCells
  • {"r":3,"c":2,"v":13}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":1,"v":52}
  • {"r":2,"c":1,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [115] → [53, 62] → [22, _, _] → [_, 12, 19, _] → [_, 3, _, _, _]

Show answer

Answer: Row4[1]=10, Row5[3]=9, Row4[4]=12, Row5[4]=10, Row3[3]=31, Row3[2]=31, Row5[5]=2, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [53,62]
  • [22,31,31]
  • [10,12,19,12]
  • [7,3,9,10,2]
Base
  • 7
  • 3
  • 9
  • 10
  • 2
TopValue
115
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":2,"v":31}
  • {"r":2,"c":1,"v":31}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [26, _] → [_, 13, 18] → [_, _, _, 9] → [6, _, _, 8, _]

Show answer

Answer: Row5[5]=1, Row2[2]=31, Row4[1]=9, Row3[1]=13, Row5[2]=3, Row4[2]=4, Row4[3]=9, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [57]
  • [26,31]
  • [13,13,18]
  • [9,4,9,9]
  • [6,3,1,8,1]
Base
  • 6
  • 3
  • 1
  • 8
  • 1
TopValue
57
HiddenCells
  • {"r":4,"c":4,"v":1}
  • {"r":1,"c":1,"v":31}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, _] → [_, _, _] → [10, _, 13, _] → [_, 1, 6, 7, 10]

Show answer

Answer: Row3[3]=30, Row4[4]=17, Row3[1]=17, Row2[2]=50, Row1[1]=87, Row5[1]=9, Row3[2]=20, Row4[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [37,50]
  • [17,20,30]
  • [10,7,13,17]
  • [9,1,6,7,10]
Base
  • 9
  • 1
  • 6
  • 7
  • 10
TopValue
87
HiddenCells
  • {"r":2,"c":2,"v":30}
  • {"r":3,"c":3,"v":17}
  • {"r":2,"c":0,"v":17}
  • {"r":1,"c":1,"v":50}
  • {"r":0,"c":0,"v":87}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":1,"v":7}