hard Set 82 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [121] → [_, _] → [_, 31, 33] → [_, _, 16, 17] → [_, _, 6, _, 7]

Show answer

Answer: Row4[1]=11, Row3[1]=26, Row5[2]=9, Row2[1]=57, Row2[2]=64, Row5[1]=2, Row5[4]=10, Row4[2]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [57,64]
  • [26,31,33]
  • [11,15,16,17]
  • [2,9,6,10,7]
Base
  • 2
  • 9
  • 6
  • 10
  • 7
TopValue
121
HiddenCells
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":0,"v":57}
  • {"r":1,"c":1,"v":64}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [21, 17, _] → [_, 11, 6, _] → [1, 9, 2, _, _]

Show answer

Answer: Row2[2]=32, Row1[1]=70, Row5[5]=5, Row4[4]=9, Row3[3]=15, Row4[1]=10, Row5[4]=4, Row2[1]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [38,32]
  • [21,17,15]
  • [10,11,6,9]
  • [1,9,2,4,5]
Base
  • 1
  • 9
  • 2
  • 4
  • 5
TopValue
70
HiddenCells
  • {"r":1,"c":1,"v":32}
  • {"r":0,"c":0,"v":70}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":3,"v":4}
  • {"r":1,"c":0,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [123] → [_, _] → [27, _, 36] → [_, 14, _, 20] → [5, _, _, 10, _]

Show answer

Answer: Row2[1]=57, Row4[3]=16, Row5[2]=8, Row2[2]=66, Row3[2]=30, Row5[3]=6, Row4[1]=13, Row5[5]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [123]
  • [57,66]
  • [27,30,36]
  • [13,14,16,20]
  • [5,8,6,10,10]
Base
  • 5
  • 8
  • 6
  • 10
  • 10
TopValue
123
HiddenCells
  • {"r":1,"c":0,"v":57}
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":1,"v":8}
  • {"r":1,"c":1,"v":66}
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":4,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [_, 25] → [_, _, 10] → [_, 11, 4, _] → [_, 9, _, 2, _]

Show answer

Answer: Row5[1]=3, Row2[1]=38, Row4[4]=6, Row3[2]=15, Row5[3]=2, Row3[1]=23, Row5[5]=4, Row4[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [38,25]
  • [23,15,10]
  • [12,11,4,6]
  • [3,9,2,2,4]
Base
  • 3
  • 9
  • 2
  • 2
  • 4
TopValue
63
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":0,"v":38}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":1,"v":15}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":0,"v":12}