hard Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [119] → [_, 55] → [34, _, _] → [_, 16, 14, _] → [_, _, 7, _, 4]

Show answer

Answer: Row2[1]=64, Row5[2]=9, Row3[2]=30, Row3[3]=25, Row5[4]=7, Row4[1]=18, Row5[1]=9, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [64,55]
  • [34,30,25]
  • [18,16,14,11]
  • [9,9,7,7,4]
Base
  • 9
  • 9
  • 7
  • 7
  • 4
TopValue
119
HiddenCells
  • {"r":1,"c":0,"v":64}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":1,"v":30}
  • {"r":2,"c":2,"v":25}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":0,"v":18}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":3,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [122] → [_, _] → [31, 34, _] → [_, _, _, 9] → [_, 10, _, 4, 5]

Show answer

Answer: Row5[3]=10, Row2[2]=57, Row5[1]=1, Row3[3]=23, Row4[3]=14, Row2[1]=65, Row4[2]=20, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [65,57]
  • [31,34,23]
  • [11,20,14,9]
  • [1,10,10,4,5]
Base
  • 1
  • 10
  • 10
  • 4
  • 5
TopValue
122
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":1,"c":1,"v":57}
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":2,"v":14}
  • {"r":1,"c":0,"v":65}
  • {"r":3,"c":1,"v":20}
  • {"r":3,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [72] → [_, _] → [_, _, 16] → [11, _, _, 7] → [9, _, _, 2, 5]

Show answer

Answer: Row5[2]=2, Row4[2]=9, Row2[2]=34, Row5[3]=7, Row4[3]=9, Row3[2]=18, Row3[1]=20, Row2[1]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [38,34]
  • [20,18,16]
  • [11,9,9,7]
  • [9,2,7,2,5]
Base
  • 9
  • 2
  • 7
  • 2
  • 5
TopValue
72
HiddenCells
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":1,"v":34}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":1,"v":18}
  • {"r":2,"c":0,"v":20}
  • {"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): [_] → [_, _] → [_, _, 28] → [_, 10, _, 13] → [4, 1, _, 6, 7]

Show answer

Answer: Row2[1]=40, Row3[2]=25, Row4[1]=5, Row3[1]=15, Row1[1]=93, Row2[2]=53, Row4[3]=15, Row5[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [40,53]
  • [15,25,28]
  • [5,10,15,13]
  • [4,1,9,6,7]
Base
  • 4
  • 1
  • 9
  • 6
  • 7
TopValue
93
HiddenCells
  • {"r":1,"c":0,"v":40}
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":0,"v":15}
  • {"r":0,"c":0,"v":93}
  • {"r":1,"c":1,"v":53}
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":2,"v":9}