medium Set 29 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, _] → [15, 8, _] → [_, 7, 1, 1]

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Answer: Row2[2]=10, Row4[1]=8, Row3[3]=2, Row1[1]=33

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [23,10]
  • [15,8,2]
  • [8,7,1,1]
Base
  • 8
  • 7
  • 1
  • 1
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":2,"v":2}
  • {"r":0,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [5, 5, 5] → [_, 2, 3, _]

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Answer: Row2[2]=10, Row4[1]=3, Row1[1]=20, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [10,10]
  • [5,5,5]
  • [3,2,3,2]
Base
  • 3
  • 2
  • 3
  • 2
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":3,"c":0,"v":3}
  • {"r":0,"c":0,"v":20}
  • {"r":3,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [18, 14] → [9, _, _] → [_, 7, 2, _]

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Answer: Row4[1]=2, Row3[3]=5, Row4[4]=3, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [18,14]
  • [9,9,5]
  • [2,7,2,3]
Base
  • 2
  • 7
  • 2
  • 3
TopValue
32
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":2,"c":2,"v":5}
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 22] → [14, _, 12] → [9, 5, 5, _]

Show answer

Answer: Row2[1]=24, Row3[2]=10, Row4[4]=7, Row1[1]=46

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [24,22]
  • [14,10,12]
  • [9,5,5,7]
Base
  • 9
  • 5
  • 5
  • 7
TopValue
46
HiddenCells
  • {"r":1,"c":0,"v":24}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":3,"v":7}
  • {"r":0,"c":0,"v":46}