hard Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [29, 28, 17] → [11, 18, _, _] → [2, _, 9, _, _]

Show answer

Answer: Row5[4]=1, Row4[4]=7, Row5[5]=6, Row2[2]=45, Row2[1]=57, Row4[3]=10, Row1[1]=102, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [57,45]
  • [29,28,17]
  • [11,18,10,7]
  • [2,9,9,1,6]
Base
  • 2
  • 9
  • 9
  • 1
  • 6
TopValue
102
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":4,"v":6}
  • {"r":1,"c":1,"v":45}
  • {"r":1,"c":0,"v":57}
  • {"r":3,"c":2,"v":10}
  • {"r":0,"c":0,"v":102}
  • {"r":4,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [_, _] → [32, 27, 13] → [_, 17, _, _] → [_, 9, _, _, 1]

Show answer

Answer: Row5[4]=2, Row5[3]=8, Row2[1]=59, Row2[2]=40, Row4[3]=10, Row4[1]=15, Row5[1]=6, Row4[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [59,40]
  • [32,27,13]
  • [15,17,10,3]
  • [6,9,8,2,1]
Base
  • 6
  • 9
  • 8
  • 2
  • 1
TopValue
99
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":0,"v":59}
  • {"r":1,"c":1,"v":40}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, 38] → [_, 17, 21] → [_, _, 8, _] → [_, _, _, 6, 7]

Show answer

Answer: Row5[3]=2, Row3[1]=25, Row2[1]=42, Row4[4]=13, Row4[1]=16, Row5[1]=9, Row5[2]=7, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [42,38]
  • [25,17,21]
  • [16,9,8,13]
  • [9,7,2,6,7]
Base
  • 9
  • 7
  • 2
  • 6
  • 7
TopValue
80
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":0,"v":25}
  • {"r":1,"c":0,"v":42}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 43] → [_, _, _] → [5, _, 11, _] → [4, 1, 2, _, 9]

Show answer

Answer: Row3[3]=29, Row4[4]=18, Row3[1]=8, Row3[2]=14, Row4[2]=3, Row1[1]=65, Row5[4]=9, Row2[1]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [22,43]
  • [8,14,29]
  • [5,3,11,18]
  • [4,1,2,9,9]
Base
  • 4
  • 1
  • 2
  • 9
  • 9
TopValue
65
HiddenCells
  • {"r":2,"c":2,"v":29}
  • {"r":3,"c":3,"v":18}
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":1,"v":3}
  • {"r":0,"c":0,"v":65}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":0,"v":22}