easy Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 11] → [_, 6, 5]

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Answer: Row3[1]=6, Row2[1]=12

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [12,11]
  • [6,6,5]
Base
  • 6
  • 6
  • 5
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"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): [21] → [_, 12] → [6, _, 9]

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Answer: Row2[1]=9, Row3[2]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [9,12]
  • [6,3,9]
Base
  • 6
  • 3
  • 9
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"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): [15] → [10, 5] → [_, 1, _]

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Answer: Row3[3]=4, Row3[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [10,5]
  • [9,1,4]
Base
  • 9
  • 1
  • 4
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 10] → [_, 1, 9]

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Answer: Row3[1]=6, Row1[1]=17

SubType
number-pyramid
Difficulty
easy
Levels
  • [17]
  • [7,10]
  • [6,1,9]
Base
  • 6
  • 1
  • 9
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":0,"c":0,"v":17}