hard Set 14 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [42, 39] → [_, _, _] → [_, 11, _, _] → [_, 6, 5, _, 9]

Show answer

Answer: Row3[3]=20, Row3[2]=19, Row5[1]=6, Row4[1]=12, Row4[4]=12, Row5[4]=3, Row3[1]=23, Row4[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [42,39]
  • [23,19,20]
  • [12,11,8,12]
  • [6,6,5,3,9]
Base
  • 6
  • 6
  • 5
  • 3
  • 9
TopValue
81
HiddenCells
  • {"r":2,"c":2,"v":20}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, _] → [16, 32, 31] → [4, 12, 20, _] → [_, _, _, _, _]

Show answer

Answer: Row1[1]=111, Row5[2]=2, Row4[4]=11, Row5[5]=1, Row5[4]=10, Row5[1]=2, Row5[3]=10, Row2[2]=63

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [48,63]
  • [16,32,31]
  • [4,12,20,11]
  • [2,2,10,10,1]
Base
  • 2
  • 2
  • 10
  • 10
  • 1
TopValue
111
HiddenCells
  • {"r":0,"c":0,"v":111}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":2,"v":10}
  • {"r":1,"c":1,"v":63}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, 50] → [_, _, 32] → [_, 5, 13, _] → [_, _, 4, _, 10]

Show answer

Answer: Row3[1]=8, Row5[1]=2, Row5[2]=1, Row4[4]=19, Row4[1]=3, Row5[4]=9, Row1[1]=76, Row3[2]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [26,50]
  • [8,18,32]
  • [3,5,13,19]
  • [2,1,4,9,10]
Base
  • 2
  • 1
  • 4
  • 9
  • 10
TopValue
76
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":3,"v":19}
  • {"r":3,"c":0,"v":3}
  • {"r":4,"c":3,"v":9}
  • {"r":0,"c":0,"v":76}
  • {"r":2,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [24, _] → [_, _, _] → [_, _, _, 14] → [2, 2, 2, _, 4]

Show answer

Answer: Row4[2]=4, Row3[2]=16, Row4[1]=4, Row2[2]=42, Row3[3]=26, Row5[4]=10, Row4[3]=12, Row3[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [24,42]
  • [8,16,26]
  • [4,4,12,14]
  • [2,2,2,10,4]
Base
  • 2
  • 2
  • 2
  • 10
  • 4
TopValue
66
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":1,"v":42}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":0,"v":8}