hard Set 98 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [29, _] → [_, _, _] → [10, _, 9, 11] → [_, 4, 1, _, 3]

Show answer

Answer: Row3[2]=14, Row5[1]=6, Row4[2]=5, Row3[1]=15, Row2[2]=34, Row5[4]=8, Row1[1]=63, Row3[3]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [29,34]
  • [15,14,20]
  • [10,5,9,11]
  • [6,4,1,8,3]
Base
  • 6
  • 4
  • 1
  • 8
  • 3
TopValue
63
HiddenCells
  • {"r":2,"c":1,"v":14}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":0,"v":15}
  • {"r":1,"c":1,"v":34}
  • {"r":4,"c":3,"v":8}
  • {"r":0,"c":0,"v":63}
  • {"r":2,"c":2,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [67, _] → [_, 37, 37] → [12, 18, _, 18] → [_, _, _, 9, _]

Show answer

Answer: Row3[1]=30, Row5[1]=4, Row4[3]=19, Row5[2]=8, Row5[3]=10, Row5[5]=9, Row1[1]=141, Row2[2]=74

SubType
number-pyramid
Difficulty
hard
Levels
  • [141]
  • [67,74]
  • [30,37,37]
  • [12,18,19,18]
  • [4,8,10,9,9]
Base
  • 4
  • 8
  • 10
  • 9
  • 9
TopValue
141
HiddenCells
  • {"r":2,"c":0,"v":30}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":2,"v":19}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":4,"v":9}
  • {"r":0,"c":0,"v":141}
  • {"r":1,"c":1,"v":74}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [103] → [_, _] → [23, 26, _] → [_, 13, 13, _] → [_, 7, 6, _, _]

Show answer

Answer: Row4[4]=15, Row4[1]=10, Row2[2]=54, Row2[1]=49, Row5[4]=7, Row5[5]=8, Row3[3]=28, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [49,54]
  • [23,26,28]
  • [10,13,13,15]
  • [3,7,6,7,8]
Base
  • 3
  • 7
  • 6
  • 7
  • 8
TopValue
103
HiddenCells
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":1,"v":54}
  • {"r":1,"c":0,"v":49}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":2,"v":28}
  • {"r":4,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 34, _] → [10, _, 18, 14] → [2, _, 8, 10, _]

Show answer

Answer: Row4[2]=16, Row5[2]=8, Row5[5]=4, Row3[3]=32, Row2[1]=60, Row3[1]=26, Row1[1]=126, Row2[2]=66

SubType
number-pyramid
Difficulty
hard
Levels
  • [126]
  • [60,66]
  • [26,34,32]
  • [10,16,18,14]
  • [2,8,8,10,4]
Base
  • 2
  • 8
  • 8
  • 10
  • 4
TopValue
126
HiddenCells
  • {"r":3,"c":1,"v":16}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":2,"v":32}
  • {"r":1,"c":0,"v":60}
  • {"r":2,"c":0,"v":26}
  • {"r":0,"c":0,"v":126}
  • {"r":1,"c":1,"v":66}