hard Set 74 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, _] → [_, _, 26] → [9, _, 11, _] → [7, 2, _, 5, _]

Show answer

Answer: Row2[2]=45, Row4[2]=8, Row3[2]=19, Row3[1]=17, Row5[5]=10, Row4[4]=15, Row5[3]=6, Row1[1]=81

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [36,45]
  • [17,19,26]
  • [9,8,11,15]
  • [7,2,6,5,10]
Base
  • 7
  • 2
  • 6
  • 5
  • 10
TopValue
81
HiddenCells
  • {"r":1,"c":1,"v":45}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":1,"v":19}
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":2,"v":6}
  • {"r":0,"c":0,"v":81}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [47, _] → [_, 24, _] → [9, 14, _, 13] → [_, 7, 7, _, _]

Show answer

Answer: Row5[1]=2, Row1[1]=94, Row2[2]=47, Row4[3]=10, Row5[4]=3, Row3[1]=23, Row3[3]=23, Row5[5]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [47,47]
  • [23,24,23]
  • [9,14,10,13]
  • [2,7,7,3,10]
Base
  • 2
  • 7
  • 7
  • 3
  • 10
TopValue
94
HiddenCells
  • {"r":4,"c":0,"v":2}
  • {"r":0,"c":0,"v":94}
  • {"r":1,"c":1,"v":47}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":0,"v":23}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":4,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [96] → [41, _] → [_, _, _] → [7, _, 16, 14] → [_, _, _, 9, 5]

Show answer

Answer: Row2[2]=55, Row5[2]=2, Row4[2]=9, Row3[3]=30, Row3[2]=25, Row5[1]=5, Row3[1]=16, Row5[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [41,55]
  • [16,25,30]
  • [7,9,16,14]
  • [5,2,7,9,5]
Base
  • 5
  • 2
  • 7
  • 9
  • 5
TopValue
96
HiddenCells
  • {"r":1,"c":1,"v":55}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":2,"v":30}
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [40, 41] → [_, _, 23] → [_, 7, 11, _] → [_, 5, _, _, _]

Show answer

Answer: Row5[1]=10, Row4[1]=15, Row4[4]=12, Row3[2]=18, Row5[3]=2, Row3[1]=22, Row5[5]=3, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [40,41]
  • [22,18,23]
  • [15,7,11,12]
  • [10,5,2,9,3]
Base
  • 10
  • 5
  • 2
  • 9
  • 3
TopValue
81
HiddenCells
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":0,"v":22}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":3,"v":9}