hard Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [_, _] → [22, 21, 20] → [10, _, _, _] → [_, 9, _, _, 5]

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Answer: Row5[1]=1, Row5[4]=6, Row4[3]=9, Row2[2]=41, Row5[3]=3, Row4[4]=11, Row4[2]=12, Row2[1]=43

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [43,41]
  • [22,21,20]
  • [10,12,9,11]
  • [1,9,3,6,5]
Base
  • 1
  • 9
  • 3
  • 6
  • 5
TopValue
84
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":1,"v":41}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":3,"v":11}
  • {"r":3,"c":1,"v":12}
  • {"r":1,"c":0,"v":43}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 26, _] → [_, 12, 14, 15] → [_, 7, 5, _, 6]

Show answer

Answer: Row3[3]=29, Row4[1]=16, Row2[1]=54, Row3[1]=28, Row5[1]=9, Row1[1]=109, Row5[4]=9, Row2[2]=55

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [54,55]
  • [28,26,29]
  • [16,12,14,15]
  • [9,7,5,9,6]
Base
  • 9
  • 7
  • 5
  • 9
  • 6
TopValue
109
HiddenCells
  • {"r":2,"c":2,"v":29}
  • {"r":3,"c":0,"v":16}
  • {"r":1,"c":0,"v":54}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":0,"v":9}
  • {"r":0,"c":0,"v":109}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":1,"v":55}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, _] → [29, 25, _] → [_, _, 12, 17] → [_, _, 4, 8, _]

Show answer

Answer: Row4[2]=13, Row1[1]=108, Row3[3]=29, Row2[2]=54, Row5[5]=9, Row4[1]=16, Row5[1]=7, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [54,54]
  • [29,25,29]
  • [16,13,12,17]
  • [7,9,4,8,9]
Base
  • 7
  • 9
  • 4
  • 8
  • 9
TopValue
108
HiddenCells
  • {"r":3,"c":1,"v":13}
  • {"r":0,"c":0,"v":108}
  • {"r":2,"c":2,"v":29}
  • {"r":1,"c":1,"v":54}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":0,"v":7}
  • {"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): [104] → [_, 45] → [_, _, _] → [_, _, 11, 5] → [_, _, 8, 3, 2]

Show answer

Answer: Row5[2]=10, Row3[2]=29, Row2[1]=59, Row3[3]=16, Row4[2]=18, Row4[1]=12, Row5[1]=2, Row3[1]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [59,45]
  • [30,29,16]
  • [12,18,11,5]
  • [2,10,8,3,2]
Base
  • 2
  • 10
  • 8
  • 3
  • 2
TopValue
104
HiddenCells
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":1,"v":29}
  • {"r":1,"c":0,"v":59}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":1,"v":18}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":0,"v":2}
  • {"r":2,"c":0,"v":30}