hard Set 29 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, 27] → [_, _, 12] → [8, 10, _, _] → [1, _, _, _, 5]

Show answer

Answer: Row1[1]=60, Row4[4]=7, Row3[2]=15, Row5[3]=3, Row4[3]=5, Row5[4]=2, Row3[1]=18, Row5[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [33,27]
  • [18,15,12]
  • [8,10,5,7]
  • [1,7,3,2,5]
Base
  • 1
  • 7
  • 3
  • 2
  • 5
TopValue
60
HiddenCells
  • {"r":0,"c":0,"v":60}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":1,"v":15}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":0,"v":18}
  • {"r":4,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [47, _] → [26, _, _] → [11, _, 6, 7] → [_, _, _, 1, _]

Show answer

Answer: Row5[1]=1, Row4[2]=15, Row2[2]=34, Row5[2]=10, Row3[3]=13, Row5[5]=6, Row5[3]=5, Row3[2]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [47,34]
  • [26,21,13]
  • [11,15,6,7]
  • [1,10,5,1,6]
Base
  • 1
  • 10
  • 5
  • 1
  • 6
TopValue
81
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":1,"v":15}
  • {"r":1,"c":1,"v":34}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":2,"v":13}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":1,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [_, 16] → [10, _, 10] → [_, _, 4, _] → [_, 1, _, 3, _]

Show answer

Answer: Row4[2]=2, Row4[4]=6, Row5[1]=7, Row3[2]=6, Row4[1]=8, Row5[3]=1, Row2[1]=16, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [32]
  • [16,16]
  • [10,6,10]
  • [8,2,4,6]
  • [7,1,1,3,3]
Base
  • 7
  • 1
  • 1
  • 3
  • 3
TopValue
32
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":1,"v":6}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":2,"v":1}
  • {"r":1,"c":0,"v":16}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, 33] → [_, 15, 18] → [14, _, _, _] → [_, _, 2, _, 2]

Show answer

Answer: Row5[1]=10, Row3[1]=20, Row4[3]=9, Row4[4]=9, Row5[2]=4, Row5[4]=7, Row4[2]=6, Row1[1]=68

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [35,33]
  • [20,15,18]
  • [14,6,9,9]
  • [10,4,2,7,2]
Base
  • 10
  • 4
  • 2
  • 7
  • 2
TopValue
68
HiddenCells
  • {"r":4,"c":0,"v":10}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":1,"v":6}
  • {"r":0,"c":0,"v":68}