hard Set 19 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [70] → [_, _] → [_, 17, 18] → [_, _, 10, _] → [_, _, 6, 4, 4]

Show answer

Answer: Row5[2]=1, Row4[4]=8, Row5[1]=10, Row2[2]=35, Row4[2]=7, Row3[1]=18, Row2[1]=35, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [35,35]
  • [18,17,18]
  • [11,7,10,8]
  • [10,1,6,4,4]
Base
  • 10
  • 1
  • 6
  • 4
  • 4
TopValue
70
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":1,"v":35}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":0,"v":18}
  • {"r":1,"c":0,"v":35}
  • {"r":3,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [119] → [64, _] → [35, _, _] → [_, _, 12, 14] → [_, 10, _, _, 9]

Show answer

Answer: Row3[3]=26, Row3[2]=29, Row5[1]=8, Row5[4]=5, Row2[2]=55, Row5[3]=7, Row4[2]=17, Row4[1]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [64,55]
  • [35,29,26]
  • [18,17,12,14]
  • [8,10,7,5,9]
Base
  • 8
  • 10
  • 7
  • 5
  • 9
TopValue
119
HiddenCells
  • {"r":2,"c":2,"v":26}
  • {"r":2,"c":1,"v":29}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":3,"v":5}
  • {"r":1,"c":1,"v":55}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":1,"v":17}
  • {"r":3,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [25, _, 21] → [_, 11, 10, 11] → [_, _, _, 4, 7]

Show answer

Answer: Row2[2]=42, Row5[1]=9, Row5[3]=6, Row2[1]=46, Row5[2]=5, Row1[1]=88, Row3[2]=21, Row4[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [46,42]
  • [25,21,21]
  • [14,11,10,11]
  • [9,5,6,4,7]
Base
  • 9
  • 5
  • 6
  • 4
  • 7
TopValue
88
HiddenCells
  • {"r":1,"c":1,"v":42}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":2,"v":6}
  • {"r":1,"c":0,"v":46}
  • {"r":4,"c":1,"v":5}
  • {"r":0,"c":0,"v":88}
  • {"r":2,"c":1,"v":21}
  • {"r":3,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [25, _, 28] → [10, 15, _, 15] → [_, 9, _, 7, _]

Show answer

Answer: Row5[3]=6, Row4[3]=13, Row5[1]=1, Row1[1]=109, Row5[5]=8, Row2[1]=53, Row3[2]=28, Row2[2]=56

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [53,56]
  • [25,28,28]
  • [10,15,13,15]
  • [1,9,6,7,8]
Base
  • 1
  • 9
  • 6
  • 7
  • 8
TopValue
109
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":0,"v":1}
  • {"r":0,"c":0,"v":109}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":0,"v":53}
  • {"r":2,"c":1,"v":28}
  • {"r":1,"c":1,"v":56}