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): [58] → [_, 28] → [17, _, _] → [_, _, 6, 9] → [_, 6, 1, _, _]

Show answer

Answer: Row3[2]=13, Row5[4]=5, Row3[3]=15, Row2[1]=30, Row5[1]=4, Row4[2]=7, Row5[5]=4, Row4[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [30,28]
  • [17,13,15]
  • [10,7,6,9]
  • [4,6,1,5,4]
Base
  • 4
  • 6
  • 1
  • 5
  • 4
TopValue
58
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":2,"v":15}
  • {"r":1,"c":0,"v":30}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":1,"v":7}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, _] → [24, 25, 20] → [_, _, 13, _] → [_, 5, _, 6, _]

Show answer

Answer: Row4[2]=12, Row5[3]=7, Row5[1]=7, Row5[5]=1, Row4[4]=7, Row2[2]=45, Row4[1]=12, Row1[1]=94

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [49,45]
  • [24,25,20]
  • [12,12,13,7]
  • [7,5,7,6,1]
Base
  • 7
  • 5
  • 7
  • 6
  • 1
TopValue
94
HiddenCells
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":1,"v":45}
  • {"r":3,"c":0,"v":12}
  • {"r":0,"c":0,"v":94}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 24] → [_, 8, _] → [_, _, 6, 10] → [4, 1, _, _, _]

Show answer

Answer: Row4[2]=2, Row5[4]=5, Row3[3]=16, Row1[1]=39, Row4[1]=5, Row5[5]=5, Row3[1]=7, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [39]
  • [15,24]
  • [7,8,16]
  • [5,2,6,10]
  • [4,1,1,5,5]
Base
  • 4
  • 1
  • 1
  • 5
  • 5
TopValue
39
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":2,"v":16}
  • {"r":0,"c":0,"v":39}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":0,"v":7}
  • {"r":4,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [_, _] → [18, 20, _] → [_, 8, 12, 18] → [_, _, 4, _, _]

Show answer

Answer: Row5[5]=10, Row3[3]=30, Row5[4]=8, Row2[1]=38, Row5[1]=6, Row2[2]=50, Row4[1]=10, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [38,50]
  • [18,20,30]
  • [10,8,12,18]
  • [6,4,4,8,10]
Base
  • 6
  • 4
  • 4
  • 8
  • 10
TopValue
88
HiddenCells
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":2,"v":30}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":0,"v":38}
  • {"r":4,"c":0,"v":6}
  • {"r":1,"c":1,"v":50}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":1,"v":4}