hard Set 63 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 39] → [_, 18, _] → [_, 10, 8, 13] → [_, _, 1, _, 6]

Show answer

Answer: Row4[1]=13, Row5[4]=7, Row5[2]=9, Row3[1]=23, Row1[1]=80, Row3[3]=21, Row2[1]=41, Row5[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [41,39]
  • [23,18,21]
  • [13,10,8,13]
  • [4,9,1,7,6]
Base
  • 4
  • 9
  • 1
  • 7
  • 6
TopValue
80
HiddenCells
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":0,"v":23}
  • {"r":0,"c":0,"v":80}
  • {"r":2,"c":2,"v":21}
  • {"r":1,"c":0,"v":41}
  • {"r":4,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, _] → [23, _, _] → [_, _, 11, _] → [_, 4, 10, 1, 1]

Show answer

Answer: Row4[2]=14, Row3[2]=25, Row4[4]=2, Row5[1]=5, Row2[2]=38, Row1[1]=86, Row3[3]=13, Row4[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [48,38]
  • [23,25,13]
  • [9,14,11,2]
  • [5,4,10,1,1]
Base
  • 5
  • 4
  • 10
  • 1
  • 1
TopValue
86
HiddenCells
  • {"r":3,"c":1,"v":14}
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":3,"v":2}
  • {"r":4,"c":0,"v":5}
  • {"r":1,"c":1,"v":38}
  • {"r":0,"c":0,"v":86}
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 41] → [22, _, _] → [12, 10, _, _] → [9, 3, _, _, 8]

Show answer

Answer: Row2[1]=42, Row4[4]=11, Row3[2]=20, Row4[3]=10, Row5[3]=7, Row3[3]=21, Row5[4]=3, Row1[1]=83

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [42,41]
  • [22,20,21]
  • [12,10,10,11]
  • [9,3,7,3,8]
Base
  • 9
  • 3
  • 7
  • 3
  • 8
TopValue
83
HiddenCells
  • {"r":1,"c":0,"v":42}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":3,"v":3}
  • {"r":0,"c":0,"v":83}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, _] → [21, 12, 10] → [_, _, _, 7] → [_, _, _, 1, 6]

Show answer

Answer: Row4[2]=9, Row1[1]=55, Row5[3]=2, Row5[2]=7, Row5[1]=5, Row4[3]=3, Row2[2]=22, Row4[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [33,22]
  • [21,12,10]
  • [12,9,3,7]
  • [5,7,2,1,6]
Base
  • 5
  • 7
  • 2
  • 1
  • 6
TopValue
55
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":0,"c":0,"v":55}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":2,"v":3}
  • {"r":1,"c":1,"v":22}
  • {"r":3,"c":0,"v":12}