hard Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [123] → [56, _] → [23, 33, _] → [_, _, _, 16] → [3, _, _, 8, _]

Show answer

Answer: Row5[2]=5, Row4[1]=8, Row4[2]=15, Row4[3]=18, Row5[5]=8, Row5[3]=10, Row3[3]=34, Row2[2]=67

SubType
number-pyramid
Difficulty
hard
Levels
  • [123]
  • [56,67]
  • [23,33,34]
  • [8,15,18,16]
  • [3,5,10,8,8]
Base
  • 3
  • 5
  • 10
  • 8
  • 8
TopValue
123
HiddenCells
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":1,"v":15}
  • {"r":3,"c":2,"v":18}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":2,"v":34}
  • {"r":1,"c":1,"v":67}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [42, _] → [22, _, 17] → [_, _, 8, 9] → [_, _, _, 2, 7]

Show answer

Answer: Row5[1]=4, Row4[2]=12, Row3[2]=20, Row5[3]=6, Row4[1]=10, Row5[2]=6, Row1[1]=79, Row2[2]=37

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [42,37]
  • [22,20,17]
  • [10,12,8,9]
  • [4,6,6,2,7]
Base
  • 4
  • 6
  • 6
  • 2
  • 7
TopValue
79
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":1,"v":6}
  • {"r":0,"c":0,"v":79}
  • {"r":1,"c":1,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [51, 47] → [_, _, 20] → [10, _, _, 7] → [5, _, _, _, _]

Show answer

Answer: Row4[3]=13, Row5[5]=3, Row5[3]=9, Row3[1]=24, Row5[4]=4, Row5[2]=5, Row4[2]=14, Row3[2]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [51,47]
  • [24,27,20]
  • [10,14,13,7]
  • [5,5,9,4,3]
Base
  • 5
  • 5
  • 9
  • 4
  • 3
TopValue
98
HiddenCells
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":0,"v":24}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":1,"v":14}
  • {"r":2,"c":1,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, 59] → [_, _, _] → [3, 9, _, _] → [2, _, 8, 8, _]

Show answer

Answer: Row5[2]=1, Row3[2]=25, Row1[1]=96, Row4[4]=18, Row3[3]=34, Row3[1]=12, Row4[3]=16, Row5[5]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [37,59]
  • [12,25,34]
  • [3,9,16,18]
  • [2,1,8,8,10]
Base
  • 2
  • 1
  • 8
  • 8
  • 10
TopValue
96
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":1,"v":25}
  • {"r":0,"c":0,"v":96}
  • {"r":3,"c":3,"v":18}
  • {"r":2,"c":2,"v":34}
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":4,"v":10}