hard Set 13 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [_, _] → [18, _, 25] → [10, _, _, _] → [_, 3, 5, 5, _]

Show answer

Answer: Row5[5]=10, Row5[1]=7, Row2[2]=43, Row4[3]=10, Row3[2]=18, Row4[4]=15, Row2[1]=36, Row4[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [36,43]
  • [18,18,25]
  • [10,8,10,15]
  • [7,3,5,5,10]
Base
  • 7
  • 3
  • 5
  • 5
  • 10
TopValue
79
HiddenCells
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":0,"v":7}
  • {"r":1,"c":1,"v":43}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":3,"v":15}
  • {"r":1,"c":0,"v":36}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 48] → [_, 18, 30] → [3, 5, _, _] → [_, _, 4, 9, _]

Show answer

Answer: Row3[1]=8, Row5[1]=2, Row4[4]=17, Row1[1]=74, Row2[1]=26, Row5[2]=1, Row4[3]=13, Row5[5]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [26,48]
  • [8,18,30]
  • [3,5,13,17]
  • [2,1,4,9,8]
Base
  • 2
  • 1
  • 4
  • 9
  • 8
TopValue
74
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":3,"v":17}
  • {"r":0,"c":0,"v":74}
  • {"r":1,"c":0,"v":26}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":4,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [90] → [39, 51] → [_, 23, _] → [_, _, 14, 14] → [_, _, _, 9, _]

Show answer

Answer: Row5[3]=5, Row5[5]=5, Row3[3]=28, Row4[2]=9, Row3[1]=16, Row5[2]=4, Row4[1]=7, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [39,51]
  • [16,23,28]
  • [7,9,14,14]
  • [3,4,5,9,5]
Base
  • 3
  • 4
  • 5
  • 9
  • 5
TopValue
90
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [89] → [_, _] → [24, 22, 21] → [_, _, 8, _] → [1, _, 5, _, _]

Show answer

Answer: Row4[4]=13, Row2[2]=43, Row5[2]=9, Row2[1]=46, Row5[5]=10, Row4[2]=14, Row4[1]=10, Row5[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [46,43]
  • [24,22,21]
  • [10,14,8,13]
  • [1,9,5,3,10]
Base
  • 1
  • 9
  • 5
  • 3
  • 10
TopValue
89
HiddenCells
  • {"r":3,"c":3,"v":13}
  • {"r":1,"c":1,"v":43}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":0,"v":46}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":1,"v":14}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":3,"v":3}