medium Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [21, _] → [9, _, 12] → [6, _, 9, _]

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Answer: Row3[2]=12, Row2[2]=24, Row4[4]=3, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [21,24]
  • [9,12,12]
  • [6,3,9,3]
Base
  • 6
  • 3
  • 9
  • 3
TopValue
45
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":1,"c":1,"v":24}
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [21, _] → [8, 13, 16] → [_, _, _, 9]

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Answer: Row4[2]=6, Row4[3]=7, Row4[1]=2, Row2[2]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [21,29]
  • [8,13,16]
  • [2,6,7,9]
Base
  • 2
  • 6
  • 7
  • 9
TopValue
50
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":1,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [11, 18] → [_, _, 10] → [2, _, _, 3]

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Answer: Row3[1]=3, Row4[3]=7, Row3[2]=8, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [29]
  • [11,18]
  • [3,8,10]
  • [2,1,7,3]
Base
  • 2
  • 1
  • 7
  • 3
TopValue
29
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [_, 25] → [8, _, 13] → [_, 3, _, 4]

Show answer

Answer: Row2[1]=20, Row3[2]=12, Row4[1]=5, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [20,25]
  • [8,12,13]
  • [5,3,9,4]
Base
  • 5
  • 3
  • 9
  • 4
TopValue
45
HiddenCells
  • {"r":1,"c":0,"v":20}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":2,"v":9}