medium Set 48 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [37, _] → [_, 18, _] → [10, 9, _, 1]

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Answer: Row2[2]=28, Row4[3]=9, Row3[3]=10, Row3[1]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [65]
  • [37,28]
  • [19,18,10]
  • [10,9,9,1]
Base
  • 10
  • 9
  • 9
  • 1
TopValue
65
HiddenCells
  • {"r":1,"c":1,"v":28}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 14] → [_, 6, 8] → [2, _, 4, 4]

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Answer: Row3[1]=4, Row4[2]=2, Row1[1]=24, Row2[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [24]
  • [10,14]
  • [4,6,8]
  • [2,2,4,4]
Base
  • 2
  • 2
  • 4
  • 4
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":3,"c":1,"v":2}
  • {"r":0,"c":0,"v":24}
  • {"r":1,"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): [_] → [31, _] → [_, 14, 15] → [9, 8, 6, _]

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Answer: Row1[1]=60, Row2[2]=29, Row4[4]=9, Row3[1]=17

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 18] → [_, 10, 8] → [4, _, _, 2]

Show answer

Answer: Row4[2]=4, Row4[3]=6, Row1[1]=36, Row3[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [18,18]
  • [8,10,8]
  • [4,4,6,2]
Base
  • 4
  • 4
  • 6
  • 2
TopValue
36
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":2,"v":6}
  • {"r":0,"c":0,"v":36}
  • {"r":2,"c":0,"v":8}