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): [_] → [48, _] → [_, 28, 28] → [8, _, 16, _] → [2, _, _, _, 2]

Show answer

Answer: Row4[4]=12, Row4[2]=12, Row5[3]=6, Row1[1]=104, Row5[2]=6, Row2[2]=56, Row3[1]=20, Row5[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [48,56]
  • [20,28,28]
  • [8,12,16,12]
  • [2,6,6,10,2]
Base
  • 2
  • 6
  • 6
  • 10
  • 2
TopValue
104
HiddenCells
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":2,"v":6}
  • {"r":0,"c":0,"v":104}
  • {"r":4,"c":1,"v":6}
  • {"r":1,"c":1,"v":56}
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [154] → [76, _] → [_, 39, 39] → [18, _, _, _] → [_, _, _, 10, 9]

Show answer

Answer: Row4[2]=19, Row5[2]=9, Row3[1]=37, Row2[2]=78, Row5[3]=10, Row4[3]=20, Row4[4]=19, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [154]
  • [76,78]
  • [37,39,39]
  • [18,19,20,19]
  • [9,9,10,10,9]
Base
  • 9
  • 9
  • 10
  • 10
  • 9
TopValue
154
HiddenCells
  • {"r":3,"c":1,"v":19}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":0,"v":37}
  • {"r":1,"c":1,"v":78}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":2,"v":20}
  • {"r":3,"c":3,"v":19}
  • {"r":4,"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): [_] → [_, 29] → [_, _, 16] → [_, 7, _, 10] → [_, _, 4, 2, 8]

Show answer

Answer: Row4[1]=4, Row4[3]=6, Row3[2]=13, Row5[1]=1, Row3[1]=11, Row1[1]=53, Row2[1]=24, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [24,29]
  • [11,13,16]
  • [4,7,6,10]
  • [1,3,4,2,8]
Base
  • 1
  • 3
  • 4
  • 2
  • 8
TopValue
53
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":0,"v":11}
  • {"r":0,"c":0,"v":53}
  • {"r":1,"c":0,"v":24}
  • {"r":4,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [19, _] → [8, _, 17] → [_, 3, _, _] → [4, _, _, _, 3]

Show answer

Answer: Row5[2]=1, Row4[4]=9, Row4[3]=8, Row2[2]=28, Row5[4]=6, Row4[1]=5, Row5[3]=2, Row3[2]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [47]
  • [19,28]
  • [8,11,17]
  • [5,3,8,9]
  • [4,1,2,6,3]
Base
  • 4
  • 1
  • 2
  • 6
  • 3
TopValue
47
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":1,"v":28}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":1,"v":11}