hard Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [24, _, _] → [_, _, 9, 12] → [5, 9, 1, 8, _]

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Answer: Row1[1]=83, Row4[1]=14, Row2[2]=40, Row3[3]=21, Row4[2]=10, Row3[2]=19, Row5[5]=4, Row2[1]=43

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [43,40]
  • [24,19,21]
  • [14,10,9,12]
  • [5,9,1,8,4]
Base
  • 5
  • 9
  • 1
  • 8
  • 4
TopValue
83
HiddenCells
  • {"r":0,"c":0,"v":83}
  • {"r":3,"c":0,"v":14}
  • {"r":1,"c":1,"v":40}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":4,"v":4}
  • {"r":1,"c":0,"v":43}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, _] → [_, 4, _] → [_, _, 2, 10] → [6, 1, 1, _, _]

Show answer

Answer: Row4[2]=2, Row3[3]=12, Row2[2]=16, Row5[5]=9, Row4[1]=7, Row2[1]=13, Row3[1]=9, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [29]
  • [13,16]
  • [9,4,12]
  • [7,2,2,10]
  • [6,1,1,1,9]
Base
  • 6
  • 1
  • 1
  • 1
  • 9
TopValue
29
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":2,"v":12}
  • {"r":1,"c":1,"v":16}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":0,"v":7}
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":0,"v":9}
  • {"r":4,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [75] → [_, 44] → [12, 19, _] → [6, _, _, _] → [5, 1, _, _, _]

Show answer

Answer: Row2[1]=31, Row3[3]=25, Row4[4]=12, Row4[3]=13, Row4[2]=6, Row5[4]=8, Row5[3]=5, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [31,44]
  • [12,19,25]
  • [6,6,13,12]
  • [5,1,5,8,4]
Base
  • 5
  • 1
  • 5
  • 8
  • 4
TopValue
75
HiddenCells
  • {"r":1,"c":0,"v":31}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":2,"v":13}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":4,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 58] → [_, _, 26] → [_, 19, 13, _] → [9, 9, _, 3, _]

Show answer

Answer: Row4[1]=18, Row3[2]=32, Row5[3]=10, Row5[5]=10, Row4[4]=13, Row1[1]=127, Row3[1]=37, Row2[1]=69

SubType
number-pyramid
Difficulty
hard
Levels
  • [127]
  • [69,58]
  • [37,32,26]
  • [18,19,13,13]
  • [9,9,10,3,10]
Base
  • 9
  • 9
  • 10
  • 3
  • 10
TopValue
127
HiddenCells
  • {"r":3,"c":0,"v":18}
  • {"r":2,"c":1,"v":32}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":3,"v":13}
  • {"r":0,"c":0,"v":127}
  • {"r":2,"c":0,"v":37}
  • {"r":1,"c":0,"v":69}