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): [104] → [53, _] → [_, _, _] → [_, 14, 13, _] → [_, 6, 8, 5, _]

Show answer

Answer: Row2[2]=51, Row5[1]=6, Row3[3]=24, Row3[1]=26, Row4[4]=11, Row3[2]=27, Row5[5]=6, Row4[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [53,51]
  • [26,27,24]
  • [12,14,13,11]
  • [6,6,8,5,6]
Base
  • 6
  • 6
  • 8
  • 5
  • 6
TopValue
104
HiddenCells
  • {"r":1,"c":1,"v":51}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":2,"v":24}
  • {"r":2,"c":0,"v":26}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":1,"v":27}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [97] → [_, _] → [_, _, 19] → [19, _, 10, _] → [10, _, 4, 6, _]

Show answer

Answer: Row2[2]=42, Row4[4]=9, Row5[5]=3, Row3[2]=23, Row4[2]=13, Row3[1]=32, Row2[1]=55, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [55,42]
  • [32,23,19]
  • [19,13,10,9]
  • [10,9,4,6,3]
Base
  • 10
  • 9
  • 4
  • 6
  • 3
TopValue
97
HiddenCells
  • {"r":1,"c":1,"v":42}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":23}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":0,"v":32}
  • {"r":1,"c":0,"v":55}
  • {"r":4,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [78] → [_, 41] → [_, _, 21] → [_, _, 12, 9] → [_, 2, 6, _, _]

Show answer

Answer: Row3[1]=17, Row4[2]=8, Row2[1]=37, Row5[5]=3, Row4[1]=9, Row3[2]=20, Row5[1]=7, Row5[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [37,41]
  • [17,20,21]
  • [9,8,12,9]
  • [7,2,6,6,3]
Base
  • 7
  • 2
  • 6
  • 6
  • 3
TopValue
78
HiddenCells
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":0,"v":37}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [_, _] → [_, _, 14] → [10, 6, _, 8] → [_, 2, 4, _, _]

Show answer

Answer: Row2[2]=26, Row5[1]=8, Row3[2]=12, Row5[4]=2, Row4[3]=6, Row2[1]=28, Row5[5]=6, Row3[1]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [28,26]
  • [16,12,14]
  • [10,6,6,8]
  • [8,2,4,2,6]
Base
  • 8
  • 2
  • 4
  • 2
  • 6
TopValue
54
HiddenCells
  • {"r":1,"c":1,"v":26}
  • {"r":4,"c":0,"v":8}
  • {"r":2,"c":1,"v":12}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":0,"v":28}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":0,"v":16}