hard Set 13 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 53] → [36, 30, _] → [18, 18, 12, _] → [_, _, _, _, 7]

Show answer

Answer: Row4[4]=11, Row5[1]=8, Row2[1]=66, Row3[3]=23, Row1[1]=119, Row5[3]=8, Row5[4]=4, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [66,53]
  • [36,30,23]
  • [18,18,12,11]
  • [8,10,8,4,7]
Base
  • 8
  • 10
  • 8
  • 4
  • 7
TopValue
119
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":0,"v":8}
  • {"r":1,"c":0,"v":66}
  • {"r":2,"c":2,"v":23}
  • {"r":0,"c":0,"v":119}
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [47, _] → [32, 15, 5] → [_, 12, _, 2] → [_, _, _, _, 1]

Show answer

Answer: Row5[3]=2, Row1[1]=67, Row5[1]=10, Row4[1]=20, Row5[2]=10, Row4[3]=3, Row2[2]=20, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [47,20]
  • [32,15,5]
  • [20,12,3,2]
  • [10,10,2,1,1]
Base
  • 10
  • 10
  • 2
  • 1
  • 1
TopValue
67
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":0,"c":0,"v":67}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":0,"v":20}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":2,"v":3}
  • {"r":1,"c":1,"v":20}
  • {"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): [_] → [_, 38] → [17, 16, 22] → [_, _, 9, _] → [7, _, 4, _, _]

Show answer

Answer: Row4[1]=10, Row2[1]=33, Row1[1]=71, Row5[2]=3, Row4[2]=7, Row4[4]=13, Row5[4]=5, Row5[5]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [33,38]
  • [17,16,22]
  • [10,7,9,13]
  • [7,3,4,5,8]
Base
  • 7
  • 3
  • 4
  • 5
  • 8
TopValue
71
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":0,"v":33}
  • {"r":0,"c":0,"v":71}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":4,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 21] → [16, 12, _, 13] → [_, 9, 3, _, 8]

Show answer

Answer: Row3[2]=20, Row1[1]=89, Row5[1]=7, Row5[4]=5, Row3[1]=28, Row4[3]=8, Row2[2]=41, Row2[1]=48

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [48,41]
  • [28,20,21]
  • [16,12,8,13]
  • [7,9,3,5,8]
Base
  • 7
  • 9
  • 3
  • 5
  • 8
TopValue
89
HiddenCells
  • {"r":2,"c":1,"v":20}
  • {"r":0,"c":0,"v":89}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":0,"v":28}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":1,"v":41}
  • {"r":1,"c":0,"v":48}