hard Set 60 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [83] → [46, _] → [28, _, _] → [16, _, _, _] → [7, _, _, 3, 10]

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Answer: Row4[4]=13, Row5[2]=9, Row4[2]=12, Row4[3]=6, Row3[3]=19, Row5[3]=3, Row3[2]=18, Row2[2]=37

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [46,37]
  • [28,18,19]
  • [16,12,6,13]
  • [7,9,3,3,10]
Base
  • 7
  • 9
  • 3
  • 3
  • 10
TopValue
83
HiddenCells
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":1,"v":18}
  • {"r":1,"c":1,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [25, 25, 20] → [9, _, _, _] → [_, 8, 8, _, 10]

Show answer

Answer: Row5[4]=1, Row4[2]=16, Row1[1]=95, Row2[2]=45, Row4[3]=9, Row4[4]=11, Row2[1]=50, Row5[1]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [50,45]
  • [25,25,20]
  • [9,16,9,11]
  • [1,8,8,1,10]
Base
  • 1
  • 8
  • 8
  • 1
  • 10
TopValue
95
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":1,"v":16}
  • {"r":0,"c":0,"v":95}
  • {"r":1,"c":1,"v":45}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":11}
  • {"r":1,"c":0,"v":50}
  • {"r":4,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 50] → [_, 25, _] → [4, _, _, 11] → [_, 3, 8, 6, _]

Show answer

Answer: Row5[1]=1, Row5[5]=5, Row1[1]=90, Row4[2]=11, Row3[1]=15, Row2[1]=40, Row3[3]=25, Row4[3]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [40,50]
  • [15,25,25]
  • [4,11,14,11]
  • [1,3,8,6,5]
Base
  • 1
  • 3
  • 8
  • 6
  • 5
TopValue
90
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":4,"v":5}
  • {"r":0,"c":0,"v":90}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":0,"v":15}
  • {"r":1,"c":0,"v":40}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 32] → [20, _, _] → [_, 9, _, 7] → [_, _, 3, 5, 2]

Show answer

Answer: Row5[1]=5, Row4[1]=11, Row4[3]=8, Row2[1]=37, Row3[2]=17, Row5[2]=6, Row1[1]=69, Row3[3]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [37,32]
  • [20,17,15]
  • [11,9,8,7]
  • [5,6,3,5,2]
Base
  • 5
  • 6
  • 3
  • 5
  • 2
TopValue
69
HiddenCells
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":0,"v":37}
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":1,"v":6}
  • {"r":0,"c":0,"v":69}
  • {"r":2,"c":2,"v":15}