easy Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [9, _] → [_, 5, 1]

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Answer: Row2[2]=6, Row3[1]=4

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [9,6]
  • [4,5,1]
Base
  • 4
  • 5
  • 1
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 9] → [10, _, 7]

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Answer: Row2[1]=12, Row3[2]=2

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [12,9]
  • [10,2,7]
Base
  • 10
  • 2
  • 7
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [14, _] → [5, _, 10]

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Answer: Row2[2]=19, Row3[2]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [33]
  • [14,19]
  • [5,9,10]
Base
  • 5
  • 9
  • 10
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"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): [24] → [9, _] → [_, 8, 7]

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Answer: Row3[1]=1, Row2[2]=15

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [9,15]
  • [1,8,7]
Base
  • 1
  • 8
  • 7
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":1,"c":1,"v":15}