hard Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 40] → [23, _, _] → [_, 9, _, _] → [_, 5, 4, 7, 2]

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Answer: Row1[1]=83, Row2[1]=43, Row4[3]=11, Row4[4]=9, Row3[2]=20, Row4[1]=14, Row3[3]=20, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [43,40]
  • [23,20,20]
  • [14,9,11,9]
  • [9,5,4,7,2]
Base
  • 9
  • 5
  • 4
  • 7
  • 2
TopValue
83
HiddenCells
  • {"r":0,"c":0,"v":83}
  • {"r":1,"c":0,"v":43}
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":2,"v":20}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [47, 55] → [_, 24, _] → [13, 10, _, 17] → [_, _, 6, _, _]

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Answer: Row5[2]=4, Row5[5]=9, Row1[1]=102, Row5[4]=8, Row4[3]=14, Row3[3]=31, Row3[1]=23, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [47,55]
  • [23,24,31]
  • [13,10,14,17]
  • [9,4,6,8,9]
Base
  • 9
  • 4
  • 6
  • 8
  • 9
TopValue
102
HiddenCells
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":4,"v":9}
  • {"r":0,"c":0,"v":102}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":2,"v":14}
  • {"r":2,"c":2,"v":31}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [116] → [_, 56] → [_, 28, _] → [_, 15, 13, _] → [_, _, 8, 5, _]

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Answer: Row3[3]=28, Row5[1]=10, Row4[1]=17, Row3[1]=32, Row5[5]=10, Row2[1]=60, Row5[2]=7, Row4[4]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [60,56]
  • [32,28,28]
  • [17,15,13,15]
  • [10,7,8,5,10]
Base
  • 10
  • 7
  • 8
  • 5
  • 10
TopValue
116
HiddenCells
  • {"r":2,"c":2,"v":28}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":0,"v":17}
  • {"r":2,"c":0,"v":32}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":0,"v":60}
  • {"r":4,"c":1,"v":7}
  • {"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): [132] → [69, _] → [_, 35, _] → [_, _, _, 10] → [_, 8, _, 9, 1]

Show answer

Answer: Row5[1]=9, Row4[3]=18, Row4[1]=17, Row4[2]=17, Row5[3]=9, Row3[3]=28, Row3[1]=34, Row2[2]=63

SubType
number-pyramid
Difficulty
hard
Levels
  • [132]
  • [69,63]
  • [34,35,28]
  • [17,17,18,10]
  • [9,8,9,9,1]
Base
  • 9
  • 8
  • 9
  • 9
  • 1
TopValue
132
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":2,"v":18}
  • {"r":3,"c":0,"v":17}
  • {"r":3,"c":1,"v":17}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":2,"v":28}
  • {"r":2,"c":0,"v":34}
  • {"r":1,"c":1,"v":63}