hard Set 76 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [_, _] → [_, 18, 17] → [12, _, 9, 8] → [9, _, _, _, _]

Show answer

Answer: Row5[5]=5, Row5[2]=3, Row4[2]=9, Row5[3]=6, Row2[1]=39, Row5[4]=3, Row3[1]=21, Row2[2]=35

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [39,35]
  • [21,18,17]
  • [12,9,9,8]
  • [9,3,6,3,5]
Base
  • 9
  • 3
  • 6
  • 3
  • 5
TopValue
74
HiddenCells
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":2,"v":6}
  • {"r":1,"c":0,"v":39}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":0,"v":21}
  • {"r":1,"c":1,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, _] → [_, 13, 17] → [_, 5, _, _] → [2, _, _, 6, 3]

Show answer

Answer: Row3[1]=10, Row4[4]=9, Row4[3]=8, Row4[1]=5, Row5[2]=3, Row1[1]=53, Row5[3]=2, Row2[2]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [23,30]
  • [10,13,17]
  • [5,5,8,9]
  • [2,3,2,6,3]
Base
  • 2
  • 3
  • 2
  • 6
  • 3
TopValue
53
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":1,"v":3}
  • {"r":0,"c":0,"v":53}
  • {"r":4,"c":2,"v":2}
  • {"r":1,"c":1,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [90] → [_, _] → [_, 25, _] → [7, 12, 13, _] → [_, 4, _, _, 3]

Show answer

Answer: Row3[1]=19, Row2[2]=46, Row3[3]=21, Row5[1]=3, Row5[3]=8, Row2[1]=44, Row4[4]=8, Row5[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [44,46]
  • [19,25,21]
  • [7,12,13,8]
  • [3,4,8,5,3]
Base
  • 3
  • 4
  • 8
  • 5
  • 3
TopValue
90
HiddenCells
  • {"r":2,"c":0,"v":19}
  • {"r":1,"c":1,"v":46}
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":0,"v":44}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 47] → [22, 23, _] → [_, _, 12, 12] → [2, _, 2, _, _]

Show answer

Answer: Row5[2]=9, Row4[2]=11, Row4[1]=11, Row2[1]=45, Row5[4]=10, Row1[1]=92, Row5[5]=2, Row3[3]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [45,47]
  • [22,23,24]
  • [11,11,12,12]
  • [2,9,2,10,2]
Base
  • 2
  • 9
  • 2
  • 10
  • 2
TopValue
92
HiddenCells
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":0,"v":45}
  • {"r":4,"c":3,"v":10}
  • {"r":0,"c":0,"v":92}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":2,"v":24}