hard Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [132] → [69, _] → [_, _, _] → [_, 19, 16, _] → [_, 9, 10, _, 6]

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Answer: Row2[2]=63, Row3[2]=35, Row3[3]=28, Row4[4]=12, Row5[4]=6, Row5[1]=6, Row3[1]=34, Row4[1]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [132]
  • [69,63]
  • [34,35,28]
  • [15,19,16,12]
  • [6,9,10,6,6]
Base
  • 6
  • 9
  • 10
  • 6
  • 6
TopValue
132
HiddenCells
  • {"r":1,"c":1,"v":63}
  • {"r":2,"c":1,"v":35}
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":0,"v":34}
  • {"r":3,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [13, 22, 28] → [_, 8, _, 14] → [4, _, _, _, 7]

Show answer

Answer: Row4[3]=14, Row4[1]=5, Row5[3]=7, Row2[2]=50, Row5[4]=7, Row5[2]=1, Row2[1]=35, Row1[1]=85

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [35,50]
  • [13,22,28]
  • [5,8,14,14]
  • [4,1,7,7,7]
Base
  • 4
  • 1
  • 7
  • 7
  • 7
TopValue
85
HiddenCells
  • {"r":3,"c":2,"v":14}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":2,"v":7}
  • {"r":1,"c":1,"v":50}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":1,"v":1}
  • {"r":1,"c":0,"v":35}
  • {"r":0,"c":0,"v":85}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [_, 46] → [_, _, 23] → [_, 10, _, _] → [3, _, 7, 6, _]

Show answer

Answer: Row3[2]=23, Row5[5]=4, Row4[1]=6, Row4[3]=13, Row5[2]=3, Row3[1]=16, Row4[4]=10, Row2[1]=39

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [39,46]
  • [16,23,23]
  • [6,10,13,10]
  • [3,3,7,6,4]
Base
  • 3
  • 3
  • 7
  • 6
  • 4
TopValue
85
HiddenCells
  • {"r":2,"c":1,"v":23}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":0,"v":16}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":0,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 10] → [7, _, 4, 6] → [1, 6, 3, _, _]

Show answer

Answer: Row5[5]=5, Row5[4]=1, Row2[2]=23, Row2[1]=29, Row1[1]=52, Row3[2]=13, Row3[1]=16, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [52]
  • [29,23]
  • [16,13,10]
  • [7,9,4,6]
  • [1,6,3,1,5]
Base
  • 1
  • 6
  • 3
  • 1
  • 5
TopValue
52
HiddenCells
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":1,"v":23}
  • {"r":1,"c":0,"v":29}
  • {"r":0,"c":0,"v":52}
  • {"r":2,"c":1,"v":13}
  • {"r":2,"c":0,"v":16}
  • {"r":3,"c":1,"v":9}