hard Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 21, _] → [13, 8, 13, 20] → [8, 5, _, _, _]

Show answer

Answer: Row5[3]=3, Row3[3]=33, Row5[5]=10, Row1[1]=96, Row5[4]=10, Row2[2]=54, Row2[1]=42, Row3[1]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [42,54]
  • [21,21,33]
  • [13,8,13,20]
  • [8,5,3,10,10]
Base
  • 8
  • 5
  • 3
  • 10
  • 10
TopValue
96
HiddenCells
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":2,"v":33}
  • {"r":4,"c":4,"v":10}
  • {"r":0,"c":0,"v":96}
  • {"r":4,"c":3,"v":10}
  • {"r":1,"c":1,"v":54}
  • {"r":1,"c":0,"v":42}
  • {"r":2,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [45, _] → [22, 23, 17] → [_, _, 11, _] → [_, _, 8, 3, _]

Show answer

Answer: Row5[5]=3, Row5[2]=4, Row5[1]=6, Row4[4]=6, Row1[1]=85, Row2[2]=40, Row4[2]=12, Row4[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [45,40]
  • [22,23,17]
  • [10,12,11,6]
  • [6,4,8,3,3]
Base
  • 6
  • 4
  • 8
  • 3
  • 3
TopValue
85
HiddenCells
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":3,"v":6}
  • {"r":0,"c":0,"v":85}
  • {"r":1,"c":1,"v":40}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [12, 12, 10] → [_, _, 6, _] → [3, _, _, 3, 1]

Show answer

Answer: Row4[4]=4, Row5[2]=3, Row2[2]=22, Row5[3]=3, Row1[1]=46, Row4[2]=6, Row2[1]=24, Row4[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [46]
  • [24,22]
  • [12,12,10]
  • [6,6,6,4]
  • [3,3,3,3,1]
Base
  • 3
  • 3
  • 3
  • 3
  • 1
TopValue
46
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":4,"c":1,"v":3}
  • {"r":1,"c":1,"v":22}
  • {"r":4,"c":2,"v":3}
  • {"r":0,"c":0,"v":46}
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":0,"v":24}
  • {"r":3,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [118] → [58, _] → [_, 29, _] → [14, _, 14, 17] → [_, _, _, 8, _]

Show answer

Answer: Row5[5]=9, Row3[1]=29, Row4[2]=15, Row5[1]=5, Row5[3]=6, Row2[2]=60, Row5[2]=9, Row3[3]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [58,60]
  • [29,29,31]
  • [14,15,14,17]
  • [5,9,6,8,9]
Base
  • 5
  • 9
  • 6
  • 8
  • 9
TopValue
118
HiddenCells
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":0,"v":29}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":2,"v":6}
  • {"r":1,"c":1,"v":60}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":2,"v":31}