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): [106] → [_, 53] → [_, _, _] → [_, 11, 12, 18] → [_, _, 2, _, 8]

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Answer: Row3[3]=30, Row2[1]=53, Row3[2]=23, Row3[1]=30, Row5[2]=9, Row5[1]=10, Row4[1]=19, Row5[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [53,53]
  • [30,23,30]
  • [19,11,12,18]
  • [10,9,2,10,8]
Base
  • 10
  • 9
  • 2
  • 10
  • 8
TopValue
106
HiddenCells
  • {"r":2,"c":2,"v":30}
  • {"r":1,"c":0,"v":53}
  • {"r":2,"c":1,"v":23}
  • {"r":2,"c":0,"v":30}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":0,"v":19}
  • {"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): [106] → [_, 50] → [29, _, 23] → [_, _, 11, _] → [_, _, 8, 3, _]

Show answer

Answer: Row5[2]=8, Row5[5]=9, Row3[2]=27, Row4[1]=13, Row2[1]=56, Row5[1]=5, Row4[2]=16, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [56,50]
  • [29,27,23]
  • [13,16,11,12]
  • [5,8,8,3,9]
Base
  • 5
  • 8
  • 8
  • 3
  • 9
TopValue
106
HiddenCells
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":1,"v":27}
  • {"r":3,"c":0,"v":13}
  • {"r":1,"c":0,"v":56}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":1,"v":16}
  • {"r":3,"c":3,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [_, _] → [14, 12, _] → [_, 3, _, 11] → [9, 2, _, _, _]

Show answer

Answer: Row2[1]=26, Row2[2]=32, Row3[3]=20, Row4[3]=9, Row5[3]=1, Row4[1]=11, Row5[4]=8, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [26,32]
  • [14,12,20]
  • [11,3,9,11]
  • [9,2,1,8,3]
Base
  • 9
  • 2
  • 1
  • 8
  • 3
TopValue
58
HiddenCells
  • {"r":1,"c":0,"v":26}
  • {"r":1,"c":1,"v":32}
  • {"r":2,"c":2,"v":20}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, 38] → [_, _, _] → [6, 4, _, 14] → [_, 3, _, _, 5]

Show answer

Answer: Row4[3]=10, Row3[3]=24, Row3[2]=14, Row1[1]=62, Row5[1]=3, Row5[4]=9, Row3[1]=10, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [24,38]
  • [10,14,24]
  • [6,4,10,14]
  • [3,3,1,9,5]
Base
  • 3
  • 3
  • 1
  • 9
  • 5
TopValue
62
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":2,"v":24}
  • {"r":2,"c":1,"v":14}
  • {"r":0,"c":0,"v":62}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":0,"v":10}
  • {"r":4,"c":2,"v":1}