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): [61] → [_, _] → [_, 15, 9] → [11, _, _, _] → [_, 8, 3, 1, _]

Show answer

Answer: Row2[2]=24, Row4[4]=5, Row4[2]=11, Row5[5]=4, Row3[1]=22, Row2[1]=37, Row4[3]=4, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [37,24]
  • [22,15,9]
  • [11,11,4,5]
  • [3,8,3,1,4]
Base
  • 3
  • 8
  • 3
  • 1
  • 4
TopValue
61
HiddenCells
  • {"r":1,"c":1,"v":24}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":0,"v":22}
  • {"r":1,"c":0,"v":37}
  • {"r":3,"c":2,"v":4}
  • {"r":4,"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): [96] → [_, _] → [_, 25, 27] → [7, _, 13, _] → [4, _, _, 4, _]

Show answer

Answer: Row4[4]=14, Row5[5]=10, Row2[2]=52, Row2[1]=44, Row3[1]=19, Row4[2]=12, Row5[3]=9, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [44,52]
  • [19,25,27]
  • [7,12,13,14]
  • [4,3,9,4,10]
Base
  • 4
  • 3
  • 9
  • 4
  • 10
TopValue
96
HiddenCells
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":1,"v":52}
  • {"r":1,"c":0,"v":44}
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 53] → [_, _, 19] → [19, 20, _, 5] → [_, 10, _, 4, _]

Show answer

Answer: Row5[1]=9, Row3[2]=34, Row1[1]=126, Row3[1]=39, Row4[3]=14, Row2[1]=73, Row5[3]=10, Row5[5]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [126]
  • [73,53]
  • [39,34,19]
  • [19,20,14,5]
  • [9,10,10,4,1]
Base
  • 9
  • 10
  • 10
  • 4
  • 1
TopValue
126
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":1,"v":34}
  • {"r":0,"c":0,"v":126}
  • {"r":2,"c":0,"v":39}
  • {"r":3,"c":2,"v":14}
  • {"r":1,"c":0,"v":73}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":4,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [113] → [_, 60] → [_, _, _] → [_, 14, _, 14] → [1, _, _, 10, 4]

Show answer

Answer: Row4[1]=9, Row3[3]=30, Row5[2]=8, Row4[3]=16, Row2[1]=53, Row3[1]=23, Row5[3]=6, Row3[2]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [113]
  • [53,60]
  • [23,30,30]
  • [9,14,16,14]
  • [1,8,6,10,4]
Base
  • 1
  • 8
  • 6
  • 10
  • 4
TopValue
113
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":2,"v":30}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":2,"v":16}
  • {"r":1,"c":0,"v":53}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":1,"v":30}