expert Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 11] → [4, 5, _]

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Answer: Row3[3]=6, Row1[1]=20

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [9,11]
  • [4,5,6]
Base
  • 4
  • 5
  • 6
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":0,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [15, 17] → [_, _, 10]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [32]
  • [15,17]
  • [8,7,10]
Base
  • 8
  • 7
  • 10
TopValue
32
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [4, 8, 9]

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Answer: Row1[1]=29, Row2[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [29]
  • [12,17]
  • [4,8,9]
Base
  • 4
  • 8
  • 9
TopValue
29
HiddenCells
  • {"r":0,"c":0,"v":29}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, _] → [1, 4, 8]

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Answer: Row2[2]=12, Row2[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [5,12]
  • [1,4,8]
Base
  • 1
  • 4
  • 8
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":1,"c":0,"v":5}