hard Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [23, 22] → [12, _, 11] → [_, _, _, 6] → [_, _, _, 4, _]

Show answer

Answer: Row4[2]=6, Row4[1]=6, Row5[1]=1, Row5[5]=2, Row3[2]=11, Row5[2]=5, Row5[3]=1, Row4[3]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [45]
  • [23,22]
  • [12,11,11]
  • [6,6,5,6]
  • [1,5,1,4,2]
Base
  • 1
  • 5
  • 1
  • 4
  • 2
TopValue
45
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":1,"v":11}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [19, _] → [10, 9, _] → [_, 4, _, _] → [_, 1, 3, _, _]

Show answer

Answer: Row4[1]=6, Row5[1]=5, Row4[4]=7, Row4[3]=5, Row3[3]=12, Row5[5]=5, Row2[2]=21, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [40]
  • [19,21]
  • [10,9,12]
  • [6,4,5,7]
  • [5,1,3,2,5]
Base
  • 5
  • 1
  • 3
  • 2
  • 5
TopValue
40
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":2,"v":12}
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":1,"v":21}
  • {"r":4,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 25] → [_, _, 12] → [_, _, 6, _] → [9, 3, _, 2, 4]

Show answer

Answer: Row5[3]=4, Row1[1]=57, Row4[2]=7, Row3[2]=13, Row4[4]=6, Row3[1]=19, Row2[1]=32, Row4[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [57]
  • [32,25]
  • [19,13,12]
  • [12,7,6,6]
  • [9,3,4,2,4]
Base
  • 9
  • 3
  • 4
  • 2
  • 4
TopValue
57
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":0,"c":0,"v":57}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":0,"v":19}
  • {"r":1,"c":0,"v":32}
  • {"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): [65] → [_, 27] → [_, 16, 11] → [_, 10, _, _] → [6, _, _, _, 3]

Show answer

Answer: Row5[3]=4, Row3[1]=22, Row5[4]=2, Row4[1]=12, Row4[4]=5, Row4[3]=6, Row5[2]=6, Row2[1]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [38,27]
  • [22,16,11]
  • [12,10,6,5]
  • [6,6,4,2,3]
Base
  • 6
  • 6
  • 4
  • 2
  • 3
TopValue
65
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":0,"v":22}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":1,"v":6}
  • {"r":1,"c":0,"v":38}