expert Set 54 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [9, _] → [3, 6, _]

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Answer: Row3[3]=6, Row2[2]=12

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 6] → [7, 2, 4]

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Answer: Row2[1]=9, Row1[1]=15

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [9,6]
  • [7,2,4]
Base
  • 7
  • 2
  • 4
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":0,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [_, 16] → [9, 7, _]

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Answer: Row2[1]=16, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [32]
  • [16,16]
  • [9,7,9]
Base
  • 9
  • 7
  • 9
TopValue
32
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, _] → [5, 5, 5]

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Answer: Row2[2]=10, Row2[1]=10

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