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): [_] → [39, _] → [_, _, _] → [_, _, 14, 9] → [8, _, 7, 7, 2]

Show answer

Answer: Row3[3]=23, Row3[1]=17, Row4[2]=8, Row1[1]=84, Row4[1]=9, Row5[2]=1, Row3[2]=22, Row2[2]=45

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [39,45]
  • [17,22,23]
  • [9,8,14,9]
  • [8,1,7,7,2]
Base
  • 8
  • 1
  • 7
  • 7
  • 2
TopValue
84
HiddenCells
  • {"r":2,"c":2,"v":23}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":84}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":1,"v":22}
  • {"r":1,"c":1,"v":45}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [_, _] → [28, 20, _] → [15, _, _, 10] → [_, _, 5, _, 8]

Show answer

Answer: Row4[2]=13, Row5[1]=7, Row2[2]=37, Row5[4]=2, Row2[1]=48, Row5[2]=8, Row4[3]=7, Row3[3]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [48,37]
  • [28,20,17]
  • [15,13,7,10]
  • [7,8,5,2,8]
Base
  • 7
  • 8
  • 5
  • 2
  • 8
TopValue
85
HiddenCells
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":0,"v":7}
  • {"r":1,"c":1,"v":37}
  • {"r":4,"c":3,"v":2}
  • {"r":1,"c":0,"v":48}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":2,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 44] → [_, _, 21] → [16, 13, 10, _] → [_, _, 3, 7, _]

Show answer

Answer: Row2[1]=52, Row3[1]=29, Row5[2]=10, Row3[2]=23, Row1[1]=96, Row5[5]=4, Row5[1]=6, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [52,44]
  • [29,23,21]
  • [16,13,10,11]
  • [6,10,3,7,4]
Base
  • 6
  • 10
  • 3
  • 7
  • 4
TopValue
96
HiddenCells
  • {"r":1,"c":0,"v":52}
  • {"r":2,"c":0,"v":29}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":1,"v":23}
  • {"r":0,"c":0,"v":96}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":3,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [115] → [57, 58] → [28, _, _] → [15, 13, _, _] → [_, _, _, _, 4]

Show answer

Answer: Row5[2]=6, Row4[3]=16, Row5[4]=9, Row3[2]=29, Row5[3]=7, Row5[1]=9, Row3[3]=29, Row4[4]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [57,58]
  • [28,29,29]
  • [15,13,16,13]
  • [9,6,7,9,4]
Base
  • 9
  • 6
  • 7
  • 9
  • 4
TopValue
115
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":1,"v":29}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":2,"v":29}
  • {"r":3,"c":3,"v":13}