hard Set 14 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [42, _] → [_, _, 18] → [_, _, 9, _] → [5, 6, 5, _, _]

Show answer

Answer: Row2[2]=38, Row4[4]=9, Row4[1]=11, Row3[2]=20, Row5[4]=4, Row5[5]=5, Row4[2]=11, Row3[1]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [42,38]
  • [22,20,18]
  • [11,11,9,9]
  • [5,6,5,4,5]
Base
  • 5
  • 6
  • 5
  • 4
  • 5
TopValue
80
HiddenCells
  • {"r":1,"c":1,"v":38}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [_, 51] → [_, _, 33] → [_, _, 13, _] → [8, _, 3, 10, _]

Show answer

Answer: Row4[2]=5, Row5[2]=2, Row5[5]=10, Row4[1]=10, Row4[4]=20, Row2[1]=33, Row3[1]=15, Row3[2]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [33,51]
  • [15,18,33]
  • [10,5,13,20]
  • [8,2,3,10,10]
Base
  • 8
  • 2
  • 3
  • 10
  • 10
TopValue
84
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":3,"v":20}
  • {"r":1,"c":0,"v":33}
  • {"r":2,"c":0,"v":15}
  • {"r":2,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 30] → [29, _, _] → [16, _, _, 3] → [9, 7, 6, _, _]

Show answer

Answer: Row3[3]=10, Row2[1]=49, Row4[2]=13, Row3[2]=20, Row5[4]=1, Row5[5]=2, Row1[1]=79, Row4[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [49,30]
  • [29,20,10]
  • [16,13,7,3]
  • [9,7,6,1,2]
Base
  • 9
  • 7
  • 6
  • 1
  • 2
TopValue
79
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":0,"v":49}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":4,"v":2}
  • {"r":0,"c":0,"v":79}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [30, _] → [_, _, _] → [11, _, _, 9] → [7, _, 3, 2, _]

Show answer

Answer: Row5[2]=4, Row2[2]=26, Row4[2]=7, Row3[3]=14, Row3[2]=12, Row4[3]=5, Row5[5]=7, Row3[1]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [56]
  • [30,26]
  • [18,12,14]
  • [11,7,5,9]
  • [7,4,3,2,7]
Base
  • 7
  • 4
  • 3
  • 2
  • 7
TopValue
56
HiddenCells
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":1,"v":26}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":2,"v":14}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":0,"v":18}