hard Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [45, _] → [_, _, _] → [8, _, 17, 13] → [6, _, 8, _, 4]

Show answer

Answer: Row5[2]=2, Row3[1]=18, Row1[1]=102, Row2[2]=57, Row3[3]=30, Row3[2]=27, Row4[2]=10, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [45,57]
  • [18,27,30]
  • [8,10,17,13]
  • [6,2,8,9,4]
Base
  • 6
  • 2
  • 8
  • 9
  • 4
TopValue
102
HiddenCells
  • {"r":4,"c":1,"v":2}
  • {"r":2,"c":0,"v":18}
  • {"r":0,"c":0,"v":102}
  • {"r":1,"c":1,"v":57}
  • {"r":2,"c":2,"v":30}
  • {"r":2,"c":1,"v":27}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, _] → [22, _, _] → [12, _, 2, 11] → [_, _, 1, 1, _]

Show answer

Answer: Row5[1]=3, Row5[5]=10, Row5[2]=9, Row2[2]=25, Row1[1]=59, Row3[3]=13, Row3[2]=12, Row4[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [34,25]
  • [22,12,13]
  • [12,10,2,11]
  • [3,9,1,1,10]
Base
  • 3
  • 9
  • 1
  • 1
  • 10
TopValue
59
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":1,"v":25}
  • {"r":0,"c":0,"v":59}
  • {"r":2,"c":2,"v":13}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [75] → [_, _] → [_, _, _] → [_, 6, 12, _] → [2, 4, 2, _, 5]

Show answer

Answer: Row3[3]=27, Row2[2]=45, Row5[4]=10, Row4[4]=15, Row4[1]=6, Row3[2]=18, Row2[1]=30, Row3[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [30,45]
  • [12,18,27]
  • [6,6,12,15]
  • [2,4,2,10,5]
Base
  • 2
  • 4
  • 2
  • 10
  • 5
TopValue
75
HiddenCells
  • {"r":2,"c":2,"v":27}
  • {"r":1,"c":1,"v":45}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":1,"v":18}
  • {"r":1,"c":0,"v":30}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [_, _] → [_, 14, _] → [11, 3, _, _] → [10, 1, _, _, 4]

Show answer

Answer: Row2[1]=28, Row3[1]=14, Row5[4]=9, Row4[4]=13, Row3[3]=24, Row2[2]=38, Row5[3]=2, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [28,38]
  • [14,14,24]
  • [11,3,11,13]
  • [10,1,2,9,4]
Base
  • 10
  • 1
  • 2
  • 9
  • 4
TopValue
66
HiddenCells
  • {"r":1,"c":0,"v":28}
  • {"r":2,"c":0,"v":14}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":3,"v":13}
  • {"r":2,"c":2,"v":24}
  • {"r":1,"c":1,"v":38}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":2,"v":11}