medium 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): [_] → [19, 16] → [12, _, _] → [7, _, 2, 7]

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Answer: Row4[2]=5, Row1[1]=35, Row3[3]=9, Row3[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [19,16]
  • [12,7,9]
  • [7,5,2,7]
Base
  • 7
  • 5
  • 2
  • 7
TopValue
35
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":0,"c":0,"v":35}
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [68] → [_, _] → [12, 19, 18] → [_, _, 9, 9]

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Answer: Row4[1]=2, Row2[1]=31, Row4[2]=10, Row2[2]=37

SubType
number-pyramid
Difficulty
medium
Levels
  • [68]
  • [31,37]
  • [12,19,18]
  • [2,10,9,9]
Base
  • 2
  • 10
  • 9
  • 9
TopValue
68
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":1,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 26] → [10, 14, _] → [3, 7, 7, _]

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Answer: Row4[4]=5, Row2[1]=24, Row1[1]=50, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [24,26]
  • [10,14,12]
  • [3,7,7,5]
Base
  • 3
  • 7
  • 7
  • 5
TopValue
50
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":0,"v":24}
  • {"r":0,"c":0,"v":50}
  • {"r":2,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [16, 15, _] → [10, 6, _, 2]

Show answer

Answer: Row4[3]=9, Row3[3]=11, Row1[1]=57, Row2[2]=26

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [31,26]
  • [16,15,11]
  • [10,6,9,2]
Base
  • 10
  • 6
  • 9
  • 2
TopValue
57
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":11}
  • {"r":0,"c":0,"v":57}
  • {"r":1,"c":1,"v":26}