hard Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 42] → [21, _, _] → [7, 14, 11, 6] → [_, _, 8, _, _]

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Answer: Row5[5]=3, Row5[2]=6, Row1[1]=88, Row5[4]=3, Row3[2]=25, Row2[1]=46, Row5[1]=1, Row3[3]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [46,42]
  • [21,25,17]
  • [7,14,11,6]
  • [1,6,8,3,3]
Base
  • 1
  • 6
  • 8
  • 3
  • 3
TopValue
88
HiddenCells
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":1,"v":6}
  • {"r":0,"c":0,"v":88}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":1,"v":25}
  • {"r":1,"c":0,"v":46}
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":2,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 44] → [_, _, 25] → [_, 7, _, _] → [1, 1, 6, _, 7]

Show answer

Answer: Row5[4]=6, Row4[4]=13, Row3[2]=19, Row4[3]=12, Row2[1]=28, Row1[1]=72, Row3[1]=9, Row4[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [28,44]
  • [9,19,25]
  • [2,7,12,13]
  • [1,1,6,6,7]
Base
  • 1
  • 1
  • 6
  • 6
  • 7
TopValue
72
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":3,"v":13}
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":0,"v":28}
  • {"r":0,"c":0,"v":72}
  • {"r":2,"c":0,"v":9}
  • {"r":3,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [12, _, 12] → [4, _, _, _] → [1, _, 5, 1, _]

Show answer

Answer: Row4[2]=8, Row5[2]=3, Row2[2]=26, Row5[5]=5, Row4[4]=6, Row1[1]=52, Row3[2]=14, Row4[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [52]
  • [26,26]
  • [12,14,12]
  • [4,8,6,6]
  • [1,3,5,1,5]
Base
  • 1
  • 3
  • 5
  • 1
  • 5
TopValue
52
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":1,"v":3}
  • {"r":1,"c":1,"v":26}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":3,"v":6}
  • {"r":0,"c":0,"v":52}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, _] → [_, _, 10] → [_, 8, 4, 6] → [_, 5, 3, _, _]

Show answer

Answer: Row5[4]=1, Row2[2]=22, Row4[1]=8, Row3[2]=12, Row5[1]=3, Row3[1]=16, Row5[5]=5, Row2[1]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [50]
  • [28,22]
  • [16,12,10]
  • [8,8,4,6]
  • [3,5,3,1,5]
Base
  • 3
  • 5
  • 3
  • 1
  • 5
TopValue
50
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":1,"v":22}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":1,"v":12}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":0,"v":28}