hard Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [_, _] → [_, 20, _] → [8, 11, _, 11] → [1, 7, _, _, _]

Show answer

Answer: Row5[3]=4, Row2[2]=40, Row5[5]=6, Row3[1]=19, Row3[3]=20, Row4[3]=9, Row2[1]=39, Row5[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [39,40]
  • [19,20,20]
  • [8,11,9,11]
  • [1,7,4,5,6]
Base
  • 1
  • 7
  • 4
  • 5
  • 6
TopValue
79
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":1,"c":1,"v":40}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":0,"v":19}
  • {"r":2,"c":2,"v":20}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":0,"v":39}
  • {"r":4,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [108] → [59, 49] → [_, _, _] → [16, _, 13, _] → [_, _, 9, _, 4]

Show answer

Answer: Row4[2]=15, Row5[2]=6, Row5[4]=4, Row3[1]=31, Row3[2]=28, Row3[3]=21, Row4[4]=8, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [59,49]
  • [31,28,21]
  • [16,15,13,8]
  • [10,6,9,4,4]
Base
  • 10
  • 6
  • 9
  • 4
  • 4
TopValue
108
HiddenCells
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":0,"v":31}
  • {"r":2,"c":1,"v":28}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [30, _] → [_, 13, _] → [_, _, _, 6] → [3, _, _, 3, 3]

Show answer

Answer: Row5[3]=2, Row4[2]=8, Row3[1]=17, Row5[2]=6, Row3[3]=11, Row2[2]=24, Row4[3]=5, Row4[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [30,24]
  • [17,13,11]
  • [9,8,5,6]
  • [3,6,2,3,3]
Base
  • 3
  • 6
  • 2
  • 3
  • 3
TopValue
54
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":1,"v":24}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [_, _] → [15, _, _] → [_, _, _, 14] → [3, 5, 2, _, 10]

Show answer

Answer: Row4[3]=6, Row3[2]=13, Row3[3]=20, Row2[2]=33, Row4[2]=7, Row5[4]=4, Row2[1]=28, Row4[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [28,33]
  • [15,13,20]
  • [8,7,6,14]
  • [3,5,2,4,10]
Base
  • 3
  • 5
  • 2
  • 4
  • 10
TopValue
61
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":1,"v":13}
  • {"r":2,"c":2,"v":20}
  • {"r":1,"c":1,"v":33}
  • {"r":3,"c":1,"v":7}
  • {"r":4,"c":3,"v":4}
  • {"r":1,"c":0,"v":28}
  • {"r":3,"c":0,"v":8}