hard Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [112] → [_, _] → [21, _, 33] → [10, _, 18, _] → [_, _, 10, _, 7]

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Answer: Row3[2]=29, Row2[1]=50, Row4[4]=15, Row5[1]=9, Row5[4]=8, Row5[2]=1, Row4[2]=11, Row2[2]=62

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [50,62]
  • [21,29,33]
  • [10,11,18,15]
  • [9,1,10,8,7]
Base
  • 9
  • 1
  • 10
  • 8
  • 7
TopValue
112
HiddenCells
  • {"r":2,"c":1,"v":29}
  • {"r":1,"c":0,"v":50}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":1,"v":11}
  • {"r":1,"c":1,"v":62}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [_, 39] → [_, _, 16] → [_, _, 10, _] → [_, 8, 5, _, 1]

Show answer

Answer: Row3[1]=22, Row4[4]=6, Row3[2]=23, Row2[1]=45, Row4[2]=13, Row4[1]=9, Row5[4]=5, Row5[1]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [45,39]
  • [22,23,16]
  • [9,13,10,6]
  • [1,8,5,5,1]
Base
  • 1
  • 8
  • 5
  • 5
  • 1
TopValue
84
HiddenCells
  • {"r":2,"c":0,"v":22}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":1,"v":23}
  • {"r":1,"c":0,"v":45}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, _] → [17, 17, 9, 3] → [7, 10, 7, _, _]

Show answer

Answer: Row3[3]=12, Row3[1]=34, Row5[5]=1, Row1[1]=98, Row2[1]=60, Row3[2]=26, Row5[4]=2, Row2[2]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [60,38]
  • [34,26,12]
  • [17,17,9,3]
  • [7,10,7,2,1]
Base
  • 7
  • 10
  • 7
  • 2
  • 1
TopValue
98
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":2,"c":0,"v":34}
  • {"r":4,"c":4,"v":1}
  • {"r":0,"c":0,"v":98}
  • {"r":1,"c":0,"v":60}
  • {"r":2,"c":1,"v":26}
  • {"r":4,"c":3,"v":2}
  • {"r":1,"c":1,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 35] → [31, _, 12] → [16, 15, _, _] → [_, _, 6, 2, _]

Show answer

Answer: Row5[2]=9, Row2[1]=54, Row4[4]=4, Row4[3]=8, Row3[2]=23, Row1[1]=89, Row5[5]=2, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [54,35]
  • [31,23,12]
  • [16,15,8,4]
  • [7,9,6,2,2]
Base
  • 7
  • 9
  • 6
  • 2
  • 2
TopValue
89
HiddenCells
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":0,"v":54}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":1,"v":23}
  • {"r":0,"c":0,"v":89}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":0,"v":7}