hard Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [91] → [46, 45] → [23, _, 22] → [_, _, _, _] → [_, 5, 6, _, _]

Show answer

Answer: Row4[3]=12, Row4[4]=10, Row4[2]=11, Row3[2]=23, Row4[1]=12, Row5[1]=7, Row5[4]=6, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [46,45]
  • [23,23,22]
  • [12,11,12,10]
  • [7,5,6,6,4]
Base
  • 7
  • 5
  • 6
  • 6
  • 4
TopValue
91
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":1,"v":23}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":4,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [13, 21, _] → [_, 10, _, _] → [_, 1, 9, 2, 10]

Show answer

Answer: Row2[2]=44, Row4[4]=12, Row5[1]=2, Row4[3]=11, Row2[1]=34, Row3[3]=23, Row1[1]=78, Row4[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [34,44]
  • [13,21,23]
  • [3,10,11,12]
  • [2,1,9,2,10]
Base
  • 2
  • 1
  • 9
  • 2
  • 10
TopValue
78
HiddenCells
  • {"r":1,"c":1,"v":44}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":2,"v":11}
  • {"r":1,"c":0,"v":34}
  • {"r":2,"c":2,"v":23}
  • {"r":0,"c":0,"v":78}
  • {"r":3,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [16, _, _] → [6, _, _, _] → [2, 4, 6, _, 8]

Show answer

Answer: Row4[3]=7, Row4[4]=9, Row3[3]=16, Row5[4]=1, Row2[1]=33, Row3[2]=17, Row4[2]=10, Row1[1]=66

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [33,33]
  • [16,17,16]
  • [6,10,7,9]
  • [2,4,6,1,8]
Base
  • 2
  • 4
  • 6
  • 1
  • 8
TopValue
66
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":2,"v":16}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":0,"v":33}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":66}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 24] → [15, _, 14] → [_, 5, 5, 9] → [8, _, _, _, _]

Show answer

Answer: Row5[2]=2, Row5[4]=2, Row4[1]=10, Row5[3]=3, Row2[1]=25, Row5[5]=7, Row1[1]=49, Row3[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [49]
  • [25,24]
  • [15,10,14]
  • [10,5,5,9]
  • [8,2,3,2,7]
Base
  • 8
  • 2
  • 3
  • 2
  • 7
TopValue
49
HiddenCells
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":0,"v":25}
  • {"r":4,"c":4,"v":7}
  • {"r":0,"c":0,"v":49}
  • {"r":2,"c":1,"v":10}