hard Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [37, _] → [19, _, _] → [10, _, _, _] → [2, 8, 1, _, _]

Show answer

Answer: Row3[2]=18, Row4[2]=9, Row2[2]=42, Row5[4]=8, Row4[3]=9, Row4[4]=15, Row3[3]=24, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [37,42]
  • [19,18,24]
  • [10,9,9,15]
  • [2,8,1,8,7]
Base
  • 2
  • 8
  • 1
  • 8
  • 7
TopValue
79
HiddenCells
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":1,"v":42}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":15}
  • {"r":2,"c":2,"v":24}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, _] → [_, 26, _] → [7, 13, 13, _] → [_, 6, 7, _, _]

Show answer

Answer: Row3[1]=20, Row5[4]=6, Row5[5]=1, Row5[1]=1, Row4[4]=7, Row3[3]=20, Row2[2]=46, Row1[1]=92

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [46,46]
  • [20,26,20]
  • [7,13,13,7]
  • [1,6,7,6,1]
Base
  • 1
  • 6
  • 7
  • 6
  • 1
TopValue
92
HiddenCells
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":2,"v":20}
  • {"r":1,"c":1,"v":46}
  • {"r":0,"c":0,"v":92}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [96] → [47, _] → [_, 24, 25] → [12, 11, _, _] → [10, _, _, _, _]

Show answer

Answer: Row5[4]=4, Row2[2]=49, Row4[3]=13, Row5[3]=9, Row5[2]=2, Row4[4]=12, Row3[1]=23, Row5[5]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [47,49]
  • [23,24,25]
  • [12,11,13,12]
  • [10,2,9,4,8]
Base
  • 10
  • 2
  • 9
  • 4
  • 8
TopValue
96
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":1,"c":1,"v":49}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":4,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [_, 37] → [24, 20, _] → [11, _, _, _] → [2, _, _, 3, _]

Show answer

Answer: Row4[4]=10, Row5[3]=4, Row5[5]=7, Row2[1]=44, Row5[2]=9, Row4[3]=7, Row3[3]=17, Row4[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [44,37]
  • [24,20,17]
  • [11,13,7,10]
  • [2,9,4,3,7]
Base
  • 2
  • 9
  • 4
  • 3
  • 7
TopValue
81
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":4,"v":7}
  • {"r":1,"c":0,"v":44}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":1,"v":13}