easy Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 9] → [_, 6, 3]

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Answer: Row3[1]=2, Row1[1]=17

SubType
number-pyramid
Difficulty
easy
Levels
  • [17]
  • [8,9]
  • [2,6,3]
Base
  • 2
  • 6
  • 3
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":0,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [10, _] → [4, _, 7]

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Answer: Row2[2]=13, Row3[2]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [10,13]
  • [4,6,7]
Base
  • 4
  • 6
  • 7
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [11, _] → [9, _, 5]

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Answer: Row3[2]=2, Row2[2]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [11,7]
  • [9,2,5]
Base
  • 9
  • 2
  • 5
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 13] → [9, 9, 4]

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Answer: Row1[1]=31, Row2[1]=18

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [18,13]
  • [9,9,4]
Base
  • 9
  • 9
  • 4
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":1,"c":0,"v":18}