hard Set 43 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [47, 45] → [_, _, _] → [_, _, 12, 9] → [_, 8, 4, _, 1]

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Answer: Row5[1]=3, Row3[1]=23, Row4[2]=12, Row3[3]=21, Row1[1]=92, Row4[1]=11, Row5[4]=8, Row3[2]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [47,45]
  • [23,24,21]
  • [11,12,12,9]
  • [3,8,4,8,1]
Base
  • 3
  • 8
  • 4
  • 8
  • 1
TopValue
92
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":2,"v":21}
  • {"r":0,"c":0,"v":92}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":3,"v":8}
  • {"r":2,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [124] → [_, _] → [_, 34, _] → [11, _, 16, _] → [2, 9, _, _, 4]

Show answer

Answer: Row3[1]=29, Row4[4]=11, Row3[3]=27, Row5[4]=7, Row2[2]=61, Row5[3]=9, Row4[2]=18, Row2[1]=63

SubType
number-pyramid
Difficulty
hard
Levels
  • [124]
  • [63,61]
  • [29,34,27]
  • [11,18,16,11]
  • [2,9,9,7,4]
Base
  • 2
  • 9
  • 9
  • 7
  • 4
TopValue
124
HiddenCells
  • {"r":2,"c":0,"v":29}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":2,"v":27}
  • {"r":4,"c":3,"v":7}
  • {"r":1,"c":1,"v":61}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":1,"v":18}
  • {"r":1,"c":0,"v":63}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [25, 20, _] → [14, _, 9, _] → [_, _, 2, 7, 2]

Show answer

Answer: Row4[2]=11, Row5[2]=9, Row2[1]=45, Row3[3]=18, Row1[1]=83, Row2[2]=38, Row4[4]=9, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [45,38]
  • [25,20,18]
  • [14,11,9,9]
  • [5,9,2,7,2]
Base
  • 5
  • 9
  • 2
  • 7
  • 2
TopValue
83
HiddenCells
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":0,"v":45}
  • {"r":2,"c":2,"v":18}
  • {"r":0,"c":0,"v":83}
  • {"r":1,"c":1,"v":38}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [16, 25, 34] → [7, _, 16, _] → [5, _, 7, _, _]

Show answer

Answer: Row1[1]=100, Row5[2]=2, Row5[5]=9, Row4[2]=9, Row4[4]=18, Row2[1]=41, Row2[2]=59, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [41,59]
  • [16,25,34]
  • [7,9,16,18]
  • [5,2,7,9,9]
Base
  • 5
  • 2
  • 7
  • 9
  • 9
TopValue
100
HiddenCells
  • {"r":0,"c":0,"v":100}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":3,"v":18}
  • {"r":1,"c":0,"v":41}
  • {"r":1,"c":1,"v":59}
  • {"r":4,"c":3,"v":9}