hard Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [16, 18, 24] → [_, 5, 13, _] → [_, 1, 4, _, _]

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Answer: Row4[4]=11, Row1[1]=76, Row5[5]=2, Row2[2]=42, Row4[1]=11, Row5[1]=10, Row5[4]=9, Row2[1]=34

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [34,42]
  • [16,18,24]
  • [11,5,13,11]
  • [10,1,4,9,2]
Base
  • 10
  • 1
  • 4
  • 9
  • 2
TopValue
76
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":0,"c":0,"v":76}
  • {"r":4,"c":4,"v":2}
  • {"r":1,"c":1,"v":42}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":0,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [_, _] → [30, _, _] → [18, 12, _, _] → [8, 10, _, 4, _]

Show answer

Answer: Row4[3]=6, Row5[3]=2, Row4[4]=13, Row2[2]=37, Row3[2]=18, Row5[5]=9, Row2[1]=48, Row3[3]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [48,37]
  • [30,18,19]
  • [18,12,6,13]
  • [8,10,2,4,9]
Base
  • 8
  • 10
  • 2
  • 4
  • 9
TopValue
85
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":3,"v":13}
  • {"r":1,"c":1,"v":37}
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":4,"v":9}
  • {"r":1,"c":0,"v":48}
  • {"r":2,"c":2,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [36, 38] → [_, _, 22] → [_, _, _, 13] → [_, _, _, 6, 7]

Show answer

Answer: Row3[1]=20, Row5[1]=9, Row5[2]=4, Row5[3]=3, Row4[3]=9, Row3[2]=16, Row4[1]=13, Row4[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [36,38]
  • [20,16,22]
  • [13,7,9,13]
  • [9,4,3,6,7]
Base
  • 9
  • 4
  • 3
  • 6
  • 7
TopValue
74
HiddenCells
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 30] → [_, 12, 18] → [_, _, _, _] → [5, 6, 1, 4, _]

Show answer

Answer: Row2[1]=30, Row4[1]=11, Row4[4]=13, Row4[2]=7, Row1[1]=60, Row5[5]=9, Row3[1]=18, Row4[3]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [30,30]
  • [18,12,18]
  • [11,7,5,13]
  • [5,6,1,4,9]
Base
  • 5
  • 6
  • 1
  • 4
  • 9
TopValue
60
HiddenCells
  • {"r":1,"c":0,"v":30}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":1,"v":7}
  • {"r":0,"c":0,"v":60}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":2,"v":5}