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): [_] → [_, 47] → [_, 22, 25] → [_, _, 13, 12] → [10, _, _, 7, _]

Show answer

Answer: Row5[5]=5, Row2[1]=44, Row4[2]=9, Row3[1]=22, Row5[2]=3, Row5[3]=6, Row1[1]=91, Row4[1]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [44,47]
  • [22,22,25]
  • [13,9,13,12]
  • [10,3,6,7,5]
Base
  • 10
  • 3
  • 6
  • 7
  • 5
TopValue
91
HiddenCells
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":0,"v":44}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":22}
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":2,"v":6}
  • {"r":0,"c":0,"v":91}
  • {"r":3,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, 28, 32] → [6, _, 17, _] → [_, _, 8, _, 6]

Show answer

Answer: Row2[1]=45, Row4[2]=11, Row5[2]=3, Row5[4]=9, Row1[1]=105, Row2[2]=60, Row4[4]=15, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [45,60]
  • [17,28,32]
  • [6,11,17,15]
  • [3,3,8,9,6]
Base
  • 3
  • 3
  • 8
  • 9
  • 6
TopValue
105
HiddenCells
  • {"r":1,"c":0,"v":45}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":3,"v":9}
  • {"r":0,"c":0,"v":105}
  • {"r":1,"c":1,"v":60}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [19, _, _] → [10, _, 12, 16] → [7, 3, 6, _, _]

Show answer

Answer: Row5[5]=10, Row3[3]=28, Row3[2]=21, Row1[1]=89, Row4[2]=9, Row2[2]=49, Row5[4]=6, Row2[1]=40

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [40,49]
  • [19,21,28]
  • [10,9,12,16]
  • [7,3,6,6,10]
Base
  • 7
  • 3
  • 6
  • 6
  • 10
TopValue
89
HiddenCells
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":2,"v":28}
  • {"r":2,"c":1,"v":21}
  • {"r":0,"c":0,"v":89}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":1,"v":49}
  • {"r":4,"c":3,"v":6}
  • {"r":1,"c":0,"v":40}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, 30] → [9, 11, _] → [4, _, _, _] → [2, _, 3, _, _]

Show answer

Answer: Row5[4]=3, Row4[2]=5, Row4[3]=6, Row3[3]=19, Row5[2]=2, Row4[4]=13, Row5[5]=10, Row2[1]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [50]
  • [20,30]
  • [9,11,19]
  • [4,5,6,13]
  • [2,2,3,3,10]
Base
  • 2
  • 2
  • 3
  • 3
  • 10
TopValue
50
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":0,"v":20}