easy Set 97 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [13, _] → [4, _, 3]

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Answer: Row2[2]=12, Row3[2]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [25]
  • [13,12]
  • [4,9,3]
Base
  • 4
  • 9
  • 3
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"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): [_] → [_, 5] → [9, 4, 1]

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Answer: Row2[1]=13, Row1[1]=18

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [13,5]
  • [9,4,1]
Base
  • 9
  • 4
  • 1
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":0,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, _] → [9, 7, 7]

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Answer: Row2[2]=14, Row2[1]=16

SubType
number-pyramid
Difficulty
easy
Levels
  • [30]
  • [16,14]
  • [9,7,7]
Base
  • 9
  • 7
  • 7
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":1,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 10] → [4, _, 6]

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Answer: Row1[1]=18, Row3[2]=4

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [8,10]
  • [4,4,6]
Base
  • 4
  • 4
  • 6
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"r":2,"c":1,"v":4}