hard Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [31, _, 34] → [13, _, 20, 14] → [_, _, 10, _, 4]

Show answer

Answer: Row2[1]=69, Row5[4]=10, Row5[1]=5, Row4[2]=18, Row2[2]=72, Row1[1]=141, Row5[2]=8, Row3[2]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [141]
  • [69,72]
  • [31,38,34]
  • [13,18,20,14]
  • [5,8,10,10,4]
Base
  • 5
  • 8
  • 10
  • 10
  • 4
TopValue
141
HiddenCells
  • {"r":1,"c":0,"v":69}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":1,"v":18}
  • {"r":1,"c":1,"v":72}
  • {"r":0,"c":0,"v":141}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":1,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [82] → [32, 50] → [_, _, _] → [7, 6, _, 18] → [5, _, _, _, _]

Show answer

Answer: Row5[4]=9, Row3[3]=31, Row4[3]=13, Row3[1]=13, Row5[2]=2, Row5[3]=4, Row5[5]=9, Row3[2]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [32,50]
  • [13,19,31]
  • [7,6,13,18]
  • [5,2,4,9,9]
Base
  • 5
  • 2
  • 4
  • 9
  • 9
TopValue
82
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":2,"v":31}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [109] → [_, 63] → [18, 28, _] → [_, 10, _, _] → [_, _, 9, _, 8]

Show answer

Answer: Row3[3]=35, Row4[3]=18, Row5[1]=7, Row5[4]=9, Row4[1]=8, Row4[4]=17, Row2[1]=46, Row5[2]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [46,63]
  • [18,28,35]
  • [8,10,18,17]
  • [7,1,9,9,8]
Base
  • 7
  • 1
  • 9
  • 9
  • 8
TopValue
109
HiddenCells
  • {"r":2,"c":2,"v":35}
  • {"r":3,"c":2,"v":18}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":3,"v":17}
  • {"r":1,"c":0,"v":46}
  • {"r":4,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [108] → [52, 56] → [_, _, _] → [_, 11, _, 19] → [_, _, _, 9, 10]

Show answer

Answer: Row4[3]=13, Row3[2]=24, Row3[3]=32, Row4[1]=17, Row5[2]=7, Row3[1]=28, Row5[1]=10, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [52,56]
  • [28,24,32]
  • [17,11,13,19]
  • [10,7,4,9,10]
Base
  • 10
  • 7
  • 4
  • 9
  • 10
TopValue
108
HiddenCells
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":1,"v":24}
  • {"r":2,"c":2,"v":32}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":2,"v":4}