hard Set 22 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [61, 47] → [_, 26, 21] → [_, 16, _, 11] → [10, _, _, _, _]

Show answer

Answer: Row3[1]=35, Row5[3]=7, Row5[5]=8, Row4[3]=10, Row5[2]=9, Row5[4]=3, Row4[1]=19, Row1[1]=108

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [61,47]
  • [35,26,21]
  • [19,16,10,11]
  • [10,9,7,3,8]
Base
  • 10
  • 9
  • 7
  • 3
  • 8
TopValue
108
HiddenCells
  • {"r":2,"c":0,"v":35}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":0,"v":19}
  • {"r":0,"c":0,"v":108}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [33, 30, 23] → [_, 17, _, 10] → [9, _, _, 3, _]

Show answer

Answer: Row1[1]=116, Row2[2]=53, Row4[1]=16, Row5[3]=10, Row5[5]=7, Row2[1]=63, Row4[3]=13, Row5[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [63,53]
  • [33,30,23]
  • [16,17,13,10]
  • [9,7,10,3,7]
Base
  • 9
  • 7
  • 10
  • 3
  • 7
TopValue
116
HiddenCells
  • {"r":0,"c":0,"v":116}
  • {"r":1,"c":1,"v":53}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":4,"v":7}
  • {"r":1,"c":0,"v":63}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [78] → [_, 34] → [24, _, _] → [_, 13, 7, 7] → [_, 8, _, _, _]

Show answer

Answer: Row5[4]=2, Row5[1]=3, Row4[1]=11, Row3[2]=20, Row5[5]=5, Row2[1]=44, Row3[3]=14, Row5[3]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [44,34]
  • [24,20,14]
  • [11,13,7,7]
  • [3,8,5,2,5]
Base
  • 3
  • 8
  • 5
  • 2
  • 5
TopValue
78
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":0,"v":44}
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [42, _] → [_, 21, _] → [11, _, _, _] → [7, 4, 6, _, 3]

Show answer

Answer: Row1[1]=82, Row3[1]=21, Row3[3]=19, Row4[3]=11, Row4[2]=10, Row5[4]=5, Row2[2]=40, Row4[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [42,40]
  • [21,21,19]
  • [11,10,11,8]
  • [7,4,6,5,3]
Base
  • 7
  • 4
  • 6
  • 5
  • 3
TopValue
82
HiddenCells
  • {"r":0,"c":0,"v":82}
  • {"r":2,"c":0,"v":21}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":3,"v":5}
  • {"r":1,"c":1,"v":40}
  • {"r":3,"c":3,"v":8}