expert Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [11, 10] → [10, _, _]

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Answer: Row3[3]=9, Row3[2]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [11,10]
  • [10,1,9]
Base
  • 10
  • 1
  • 9
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"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): [_] → [5, _] → [3, 2, 8]

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Answer: Row2[2]=10, Row1[1]=15

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [5,10]
  • [3,2,8]
Base
  • 3
  • 2
  • 8
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"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): [_] → [5, _] → [1, 4, 1]

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Answer: Row1[1]=10, Row2[2]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [10]
  • [5,5]
  • [1,4,1]
Base
  • 1
  • 4
  • 1
TopValue
10
HiddenCells
  • {"r":0,"c":0,"v":10}
  • {"r":1,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 14] → [3, 9, _]

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Answer: Row2[1]=12, Row3[3]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [12,14]
  • [3,9,5]
Base
  • 3
  • 9
  • 5
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":2,"v":5}