hard Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 44] → [_, 20, _] → [11, 11, _, 15] → [1, _, _, 8, _]

Show answer

Answer: Row3[3]=24, Row2[1]=42, Row4[3]=9, Row1[1]=86, Row5[2]=10, Row5[3]=1, Row3[1]=22, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [42,44]
  • [22,20,24]
  • [11,11,9,15]
  • [1,10,1,8,7]
Base
  • 1
  • 10
  • 1
  • 8
  • 7
TopValue
86
HiddenCells
  • {"r":2,"c":2,"v":24}
  • {"r":1,"c":0,"v":42}
  • {"r":3,"c":2,"v":9}
  • {"r":0,"c":0,"v":86}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":0,"v":22}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, _] → [15, 17, _] → [_, _, 13, 17] → [_, _, 3, 10, _]

Show answer

Answer: Row1[1]=79, Row4[1]=11, Row2[2]=47, Row5[5]=7, Row3[3]=30, Row5[2]=1, Row5[1]=10, Row4[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [32,47]
  • [15,17,30]
  • [11,4,13,17]
  • [10,1,3,10,7]
Base
  • 10
  • 1
  • 3
  • 10
  • 7
TopValue
79
HiddenCells
  • {"r":0,"c":0,"v":79}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":1,"v":47}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":2,"v":30}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [53, _] → [_, _, _] → [_, 16, 9, 12] → [2, _, _, _, 9]

Show answer

Answer: Row3[2]=25, Row4[1]=12, Row5[2]=10, Row5[3]=6, Row3[3]=21, Row3[1]=28, Row5[4]=3, Row2[2]=46

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [53,46]
  • [28,25,21]
  • [12,16,9,12]
  • [2,10,6,3,9]
Base
  • 2
  • 10
  • 6
  • 3
  • 9
TopValue
99
HiddenCells
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":2,"v":21}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":1,"v":46}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, _] → [5, 6, 14, 20] → [3, 2, _, _, 10]

Show answer

Answer: Row3[3]=34, Row3[1]=11, Row5[3]=4, Row3[2]=20, Row2[1]=31, Row5[4]=10, Row1[1]=85, Row2[2]=54

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [31,54]
  • [11,20,34]
  • [5,6,14,20]
  • [3,2,4,10,10]
Base
  • 3
  • 2
  • 4
  • 10
  • 10
TopValue
85
HiddenCells
  • {"r":2,"c":2,"v":34}
  • {"r":2,"c":0,"v":11}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":1,"v":20}
  • {"r":1,"c":0,"v":31}
  • {"r":4,"c":3,"v":10}
  • {"r":0,"c":0,"v":85}
  • {"r":1,"c":1,"v":54}