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): [100] → [49, _] → [_, _, 24] → [_, 12, _, 9] → [_, 2, _, _, 4]

Show answer

Answer: Row2[2]=51, Row4[3]=15, Row5[4]=5, Row5[3]=10, Row3[1]=22, Row3[2]=27, Row4[1]=10, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [49,51]
  • [22,27,24]
  • [10,12,15,9]
  • [8,2,10,5,4]
Base
  • 8
  • 2
  • 10
  • 5
  • 4
TopValue
100
HiddenCells
  • {"r":1,"c":1,"v":51}
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":0,"v":22}
  • {"r":2,"c":1,"v":27}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, _] → [8, _, 9, 8] → [3, 5, _, 2, 6]

Show answer

Answer: Row2[2]=38, Row3[3]=17, Row1[1]=79, Row3[2]=21, Row5[3]=7, Row4[2]=12, Row3[1]=20, Row2[1]=41

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [41,38]
  • [20,21,17]
  • [8,12,9,8]
  • [3,5,7,2,6]
Base
  • 3
  • 5
  • 7
  • 2
  • 6
TopValue
79
HiddenCells
  • {"r":1,"c":1,"v":38}
  • {"r":2,"c":2,"v":17}
  • {"r":0,"c":0,"v":79}
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":0,"v":20}
  • {"r":1,"c":0,"v":41}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [29, 28, 23] → [13, _, _, 11] → [_, _, 7, _, 6]

Show answer

Answer: Row4[2]=16, Row5[4]=5, Row4[3]=12, Row5[1]=4, Row5[2]=9, Row2[2]=51, Row1[1]=108, Row2[1]=57

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [57,51]
  • [29,28,23]
  • [13,16,12,11]
  • [4,9,7,5,6]
Base
  • 4
  • 9
  • 7
  • 5
  • 6
TopValue
108
HiddenCells
  • {"r":3,"c":1,"v":16}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":1,"v":51}
  • {"r":0,"c":0,"v":108}
  • {"r":1,"c":0,"v":57}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [50, _] → [_, _, _] → [7, 15, 13, _] → [_, 5, 10, _, 7]

Show answer

Answer: Row3[1]=22, Row5[4]=3, Row4[4]=10, Row1[1]=101, Row5[1]=2, Row2[2]=51, Row3[2]=28, Row3[3]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [50,51]
  • [22,28,23]
  • [7,15,13,10]
  • [2,5,10,3,7]
Base
  • 2
  • 5
  • 10
  • 3
  • 7
TopValue
101
HiddenCells
  • {"r":2,"c":0,"v":22}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":3,"v":10}
  • {"r":0,"c":0,"v":101}
  • {"r":4,"c":0,"v":2}
  • {"r":1,"c":1,"v":51}
  • {"r":2,"c":1,"v":28}
  • {"r":2,"c":2,"v":23}