hard Set 44 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [109] → [57, 52] → [27, _, _] → [_, _, _, 7] → [_, _, _, 6, 1]

Show answer

Answer: Row3[3]=22, Row4[3]=15, Row4[2]=15, Row5[2]=6, Row5[3]=9, Row5[1]=6, Row3[2]=30, Row4[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [57,52]
  • [27,30,22]
  • [12,15,15,7]
  • [6,6,9,6,1]
Base
  • 6
  • 6
  • 9
  • 6
  • 1
TopValue
109
HiddenCells
  • {"r":2,"c":2,"v":22}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":1,"v":30}
  • {"r":3,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 51] → [21, 20, 31] → [_, _, 11, _] → [4, _, _, 10, _]

Show answer

Answer: Row5[2]=8, Row5[5]=10, Row4[1]=12, Row4[4]=20, Row5[3]=1, Row4[2]=9, Row2[1]=41, Row1[1]=92

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [41,51]
  • [21,20,31]
  • [12,9,11,20]
  • [4,8,1,10,10]
Base
  • 4
  • 8
  • 1
  • 10
  • 10
TopValue
92
HiddenCells
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":3,"v":20}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":41}
  • {"r":0,"c":0,"v":92}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [117] → [59, _] → [_, 28, 30] → [_, 14, _, _] → [7, _, 4, _, _]

Show answer

Answer: Row4[3]=14, Row2[2]=58, Row3[1]=31, Row5[5]=6, Row4[1]=17, Row4[4]=16, Row5[2]=10, Row5[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [59,58]
  • [31,28,30]
  • [17,14,14,16]
  • [7,10,4,10,6]
Base
  • 7
  • 10
  • 4
  • 10
  • 6
TopValue
117
HiddenCells
  • {"r":3,"c":2,"v":14}
  • {"r":1,"c":1,"v":58}
  • {"r":2,"c":0,"v":31}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":0,"v":17}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [87] → [47, _] → [22, _, _] → [_, 14, 11, 4] → [_, _, _, 2, _]

Show answer

Answer: Row3[2]=25, Row5[2]=5, Row5[5]=2, Row5[1]=3, Row4[1]=8, Row3[3]=15, Row5[3]=9, Row2[2]=40

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [47,40]
  • [22,25,15]
  • [8,14,11,4]
  • [3,5,9,2,2]
Base
  • 3
  • 5
  • 9
  • 2
  • 2
TopValue
87
HiddenCells
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":2,"v":15}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":1,"v":40}