hard Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [_, 37] → [_, _, _] → [9, _, 9, 10] → [_, 5, _, _, 5]

Show answer

Answer: Row2[1]=36, Row4[2]=9, Row5[1]=4, Row3[3]=19, Row3[1]=18, Row5[3]=4, Row5[4]=5, Row3[2]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [36,37]
  • [18,18,19]
  • [9,9,9,10]
  • [4,5,4,5,5]
Base
  • 4
  • 5
  • 4
  • 5
  • 5
TopValue
73
HiddenCells
  • {"r":1,"c":0,"v":36}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":2,"v":19}
  • {"r":2,"c":0,"v":18}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":3,"v":5}
  • {"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): [_] → [_, 64] → [29, 32, 32] → [_, _, _, _] → [6, 8, 7, _, _]

Show answer

Answer: Row2[1]=61, Row4[2]=15, Row5[4]=10, Row1[1]=125, Row5[5]=5, Row4[1]=14, Row4[3]=17, Row4[4]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [125]
  • [61,64]
  • [29,32,32]
  • [14,15,17,15]
  • [6,8,7,10,5]
Base
  • 6
  • 8
  • 7
  • 10
  • 5
TopValue
125
HiddenCells
  • {"r":1,"c":0,"v":61}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":3,"v":10}
  • {"r":0,"c":0,"v":125}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":0,"v":14}
  • {"r":3,"c":2,"v":17}
  • {"r":3,"c":3,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [61, 62] → [_, _, 31] → [16, 14, 17, _] → [_, _, _, _, 4]

Show answer

Answer: Row5[1]=9, Row5[2]=7, Row5[3]=7, Row3[2]=31, Row4[4]=14, Row1[1]=123, Row5[4]=10, Row3[1]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [123]
  • [61,62]
  • [30,31,31]
  • [16,14,17,14]
  • [9,7,7,10,4]
Base
  • 9
  • 7
  • 7
  • 10
  • 4
TopValue
123
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":1,"v":31}
  • {"r":3,"c":3,"v":14}
  • {"r":0,"c":0,"v":123}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [19, 19] → [_, _, _] → [8, _, 3, _] → [_, 3, 1, _, _]

Show answer

Answer: Row3[1]=12, Row4[2]=4, Row3[2]=7, Row5[1]=5, Row3[3]=12, Row5[4]=2, Row5[5]=7, Row4[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [38]
  • [19,19]
  • [12,7,12]
  • [8,4,3,9]
  • [5,3,1,2,7]
Base
  • 5
  • 3
  • 1
  • 2
  • 7
TopValue
38
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":1,"v":7}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":2,"v":12}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":3,"v":9}