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): [_] → [55, _] → [34, _, _] → [_, _, 7, 4] → [10, 10, _, 3, _]

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Answer: Row5[5]=1, Row1[1]=87, Row3[3]=11, Row2[2]=32, Row4[2]=14, Row3[2]=21, Row4[1]=20, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [55,32]
  • [34,21,11]
  • [20,14,7,4]
  • [10,10,4,3,1]
Base
  • 10
  • 10
  • 4
  • 3
  • 1
TopValue
87
HiddenCells
  • {"r":4,"c":4,"v":1}
  • {"r":0,"c":0,"v":87}
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":1,"v":32}
  • {"r":3,"c":1,"v":14}
  • {"r":2,"c":1,"v":21}
  • {"r":3,"c":0,"v":20}
  • {"r":4,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [143] → [69, 74] → [32, _, _] → [13, 19, _, _] → [_, _, _, 9, _]

Show answer

Answer: Row5[2]=10, Row5[1]=3, Row3[2]=37, Row4[3]=18, Row5[3]=9, Row5[5]=10, Row4[4]=19, Row3[3]=37

SubType
number-pyramid
Difficulty
hard
Levels
  • [143]
  • [69,74]
  • [32,37,37]
  • [13,19,18,19]
  • [3,10,9,9,10]
Base
  • 3
  • 10
  • 9
  • 9
  • 10
TopValue
143
HiddenCells
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":1,"v":37}
  • {"r":3,"c":2,"v":18}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":3,"v":19}
  • {"r":2,"c":2,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 47] → [22, _, _] → [_, 12, _, 9] → [_, 4, 8, 5, _]

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Answer: Row3[2]=25, Row3[3]=22, Row4[1]=10, Row2[1]=47, Row5[5]=4, Row4[3]=13, Row5[1]=6, Row1[1]=94

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [47,47]
  • [22,25,22]
  • [10,12,13,9]
  • [6,4,8,5,4]
Base
  • 6
  • 4
  • 8
  • 5
  • 4
TopValue
94
HiddenCells
  • {"r":2,"c":1,"v":25}
  • {"r":2,"c":2,"v":22}
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":0,"v":47}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":0,"v":6}
  • {"r":0,"c":0,"v":94}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [21, 26, 27] → [9, _, _, _] → [6, 3, 9, _, _]

Show answer

Answer: Row1[1]=100, Row2[2]=53, Row5[5]=8, Row2[1]=47, Row4[3]=14, Row5[4]=5, Row4[4]=13, Row4[2]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [47,53]
  • [21,26,27]
  • [9,12,14,13]
  • [6,3,9,5,8]
Base
  • 6
  • 3
  • 9
  • 5
  • 8
TopValue
100
HiddenCells
  • {"r":0,"c":0,"v":100}
  • {"r":1,"c":1,"v":53}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":0,"v":47}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":1,"v":12}