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): [58] → [_, 26] → [17, _, _] → [_, 9, 6, _] → [_, 5, 4, _, _]

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Answer: Row5[4]=2, Row5[1]=3, Row4[1]=8, Row3[2]=15, Row3[3]=11, Row4[4]=5, Row2[1]=32, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [32,26]
  • [17,15,11]
  • [8,9,6,5]
  • [3,5,4,2,3]
Base
  • 3
  • 5
  • 4
  • 2
  • 3
TopValue
58
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":1,"v":15}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":0,"v":32}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 19] → [_, _, _] → [_, _, 5, 4] → [9, 3, 2, _, 1]

Show answer

Answer: Row3[2]=10, Row4[1]=12, Row1[1]=46, Row3[1]=17, Row2[1]=27, Row5[4]=3, Row4[2]=5, Row3[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [46]
  • [27,19]
  • [17,10,9]
  • [12,5,5,4]
  • [9,3,2,3,1]
Base
  • 9
  • 3
  • 2
  • 3
  • 1
TopValue
46
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":0,"v":12}
  • {"r":0,"c":0,"v":46}
  • {"r":2,"c":0,"v":17}
  • {"r":1,"c":0,"v":27}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 61] → [23, _, 32] → [_, 13, _, _] → [_, 6, 7, _, 7]

Show answer

Answer: Row1[1]=113, Row3[2]=29, Row2[1]=52, Row5[4]=9, Row4[4]=16, Row4[1]=10, Row4[3]=16, Row5[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [113]
  • [52,61]
  • [23,29,32]
  • [10,13,16,16]
  • [4,6,7,9,7]
Base
  • 4
  • 6
  • 7
  • 9
  • 7
TopValue
113
HiddenCells
  • {"r":0,"c":0,"v":113}
  • {"r":2,"c":1,"v":29}
  • {"r":1,"c":0,"v":52}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":3,"v":16}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 14, _] → [_, 7, _, 9] → [7, 5, _, 5, 4]

Show answer

Answer: Row3[3]=16, Row2[2]=30, Row5[3]=2, Row4[1]=12, Row4[3]=7, Row3[1]=19, Row1[1]=63, Row2[1]=33

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [33,30]
  • [19,14,16]
  • [12,7,7,9]
  • [7,5,2,5,4]
Base
  • 7
  • 5
  • 2
  • 5
  • 4
TopValue
63
HiddenCells
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":1,"v":30}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":0,"v":19}
  • {"r":0,"c":0,"v":63}
  • {"r":1,"c":0,"v":33}