hard Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 13, 8] → [_, 8, _, 3] → [10, _, _, 1, 2]

Show answer

Answer: Row4[3]=5, Row2[1]=35, Row3[1]=22, Row5[3]=4, Row2[2]=21, Row4[1]=14, Row5[2]=4, Row1[1]=56

SubType
number-pyramid
Difficulty
hard
Levels
  • [56]
  • [35,21]
  • [22,13,8]
  • [14,8,5,3]
  • [10,4,4,1,2]
Base
  • 10
  • 4
  • 4
  • 1
  • 2
TopValue
56
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":0,"v":35}
  • {"r":2,"c":0,"v":22}
  • {"r":4,"c":2,"v":4}
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":1,"v":4}
  • {"r":0,"c":0,"v":56}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [43, _] → [_, _, 22] → [13, _, 8, _] → [6, _, 4, _, _]

Show answer

Answer: Row4[4]=14, Row5[5]=10, Row2[2]=41, Row4[2]=11, Row3[2]=19, Row3[1]=24, Row5[2]=7, Row5[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [43,41]
  • [24,19,22]
  • [13,11,8,14]
  • [6,7,4,4,10]
Base
  • 6
  • 7
  • 4
  • 4
  • 10
TopValue
84
HiddenCells
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":1,"v":41}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":1,"v":19}
  • {"r":2,"c":0,"v":24}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [64, 64] → [_, _, 29] → [_, _, _, 10] → [_, 6, 10, 9, _]

Show answer

Answer: Row5[1]=7, Row3[1]=29, Row4[3]=19, Row1[1]=128, Row4[2]=16, Row3[2]=35, Row4[1]=13, Row5[5]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [128]
  • [64,64]
  • [29,35,29]
  • [13,16,19,10]
  • [7,6,10,9,1]
Base
  • 7
  • 6
  • 10
  • 9
  • 1
TopValue
128
HiddenCells
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":0,"v":29}
  • {"r":3,"c":2,"v":19}
  • {"r":0,"c":0,"v":128}
  • {"r":3,"c":1,"v":16}
  • {"r":2,"c":1,"v":35}
  • {"r":3,"c":0,"v":13}
  • {"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): [92] → [_, 49] → [_, 23, _] → [_, _, 11, _] → [_, 6, _, 5, 10]

Show answer

Answer: Row4[2]=12, Row2[1]=43, Row4[4]=15, Row5[3]=6, Row4[1]=8, Row5[1]=2, Row3[1]=20, Row3[3]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [43,49]
  • [20,23,26]
  • [8,12,11,15]
  • [2,6,6,5,10]
Base
  • 2
  • 6
  • 6
  • 5
  • 10
TopValue
92
HiddenCells
  • {"r":3,"c":1,"v":12}
  • {"r":1,"c":0,"v":43}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":0,"v":2}
  • {"r":2,"c":0,"v":20}
  • {"r":2,"c":2,"v":26}