hard Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [_, _] → [10, _, _] → [8, 2, _, _] → [7, 1, _, 5, _]

Show answer

Answer: Row2[1]=18, Row2[2]=26, Row4[4]=12, Row5[5]=7, Row3[3]=18, Row5[3]=1, Row4[3]=6, Row3[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [44]
  • [18,26]
  • [10,8,18]
  • [8,2,6,12]
  • [7,1,1,5,7]
Base
  • 7
  • 1
  • 1
  • 5
  • 7
TopValue
44
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":1,"c":1,"v":26}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":2,"v":18}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"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): [_] → [70, _] → [34, _, 28] → [_, 18, _, _] → [_, 9, _, 9, 1]

Show answer

Answer: Row4[1]=16, Row2[2]=64, Row4[4]=10, Row5[3]=9, Row5[1]=7, Row4[3]=18, Row3[2]=36, Row1[1]=134

SubType
number-pyramid
Difficulty
hard
Levels
  • [134]
  • [70,64]
  • [34,36,28]
  • [16,18,18,10]
  • [7,9,9,9,1]
Base
  • 7
  • 9
  • 9
  • 9
  • 1
TopValue
134
HiddenCells
  • {"r":3,"c":0,"v":16}
  • {"r":1,"c":1,"v":64}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":2,"v":18}
  • {"r":2,"c":1,"v":36}
  • {"r":0,"c":0,"v":134}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [34, _, 14] → [16, 18, _, _] → [7, _, 9, 2, _]

Show answer

Answer: Row5[2]=9, Row4[4]=3, Row2[2]=43, Row3[2]=29, Row5[5]=1, Row1[1]=106, Row2[1]=63, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [63,43]
  • [34,29,14]
  • [16,18,11,3]
  • [7,9,9,2,1]
Base
  • 7
  • 9
  • 9
  • 2
  • 1
TopValue
106
HiddenCells
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":1,"v":43}
  • {"r":2,"c":1,"v":29}
  • {"r":4,"c":4,"v":1}
  • {"r":0,"c":0,"v":106}
  • {"r":1,"c":0,"v":63}
  • {"r":3,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [29, _] → [_, 17, _] → [_, _, _, 8] → [_, 3, 5, 4, 4]

Show answer

Answer: Row4[3]=9, Row3[3]=17, Row5[1]=1, Row1[1]=63, Row4[2]=8, Row3[1]=12, Row2[2]=34, Row4[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [29,34]
  • [12,17,17]
  • [4,8,9,8]
  • [1,3,5,4,4]
Base
  • 1
  • 3
  • 5
  • 4
  • 4
TopValue
63
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":0,"v":1}
  • {"r":0,"c":0,"v":63}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":1,"v":34}
  • {"r":3,"c":0,"v":4}