hard Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [65, _] → [_, 36, _] → [_, 17, 19, _] → [4, 8, _, 10, _]

Show answer

Answer: Row5[5]=6, Row2[2]=71, Row5[3]=9, Row4[1]=12, Row3[1]=29, Row4[4]=16, Row3[3]=35, Row1[1]=136

SubType
number-pyramid
Difficulty
hard
Levels
  • [136]
  • [65,71]
  • [29,36,35]
  • [12,17,19,16]
  • [4,8,9,10,6]
Base
  • 4
  • 8
  • 9
  • 10
  • 6
TopValue
136
HiddenCells
  • {"r":4,"c":4,"v":6}
  • {"r":1,"c":1,"v":71}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":0,"v":29}
  • {"r":3,"c":3,"v":16}
  • {"r":2,"c":2,"v":35}
  • {"r":0,"c":0,"v":136}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [131] → [_, _] → [_, _, _] → [13, _, 18, _] → [6, 7, 8, 10, _]

Show answer

Answer: Row3[2]=33, Row4[2]=15, Row4[4]=19, Row3[3]=37, Row2[1]=61, Row5[5]=9, Row3[1]=28, Row2[2]=70

SubType
number-pyramid
Difficulty
hard
Levels
  • [131]
  • [61,70]
  • [28,33,37]
  • [13,15,18,19]
  • [6,7,8,10,9]
Base
  • 6
  • 7
  • 8
  • 10
  • 9
TopValue
131
HiddenCells
  • {"r":2,"c":1,"v":33}
  • {"r":3,"c":1,"v":15}
  • {"r":3,"c":3,"v":19}
  • {"r":2,"c":2,"v":37}
  • {"r":1,"c":0,"v":61}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":0,"v":28}
  • {"r":1,"c":1,"v":70}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [116] → [_, 55] → [_, _, 25] → [15, 16, 14, _] → [_, _, 8, _, _]

Show answer

Answer: Row3[1]=31, Row4[4]=11, Row5[1]=7, Row5[4]=6, Row3[2]=30, Row5[5]=5, Row2[1]=61, Row5[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [61,55]
  • [31,30,25]
  • [15,16,14,11]
  • [7,8,8,6,5]
Base
  • 7
  • 8
  • 8
  • 6
  • 5
TopValue
116
HiddenCells
  • {"r":2,"c":0,"v":31}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":0,"v":61}
  • {"r":4,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [_, _] → [10, 12, _] → [5, _, _, _] → [3, 2, 3, _, _]

Show answer

Answer: Row5[4]=4, Row2[1]=22, Row5[5]=9, Row4[4]=13, Row4[2]=5, Row2[2]=32, Row3[3]=20, Row4[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [22,32]
  • [10,12,20]
  • [5,5,7,13]
  • [3,2,3,4,9]
Base
  • 3
  • 2
  • 3
  • 4
  • 9
TopValue
54
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":1,"c":0,"v":22}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":1,"v":32}
  • {"r":2,"c":2,"v":20}
  • {"r":3,"c":2,"v":7}