easy Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 8] → [1, 4, 4]

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Answer: Row2[1]=5, Row1[1]=13

SubType
number-pyramid
Difficulty
easy
Levels
  • [13]
  • [5,8]
  • [1,4,4]
Base
  • 1
  • 4
  • 4
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":5}
  • {"r":0,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [8] → [_, 3] → [4, 1, _]

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Answer: Row3[3]=2, Row2[1]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [8]
  • [5,3]
  • [4,1,2]
Base
  • 4
  • 1
  • 2
TopValue
8
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":1,"c":0,"v":5}

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

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [9,9]
  • [8,1,8]
Base
  • 8
  • 1
  • 8
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"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): [_] → [12, 9] → [_, 6, 3]

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Answer: Row1[1]=21, Row3[1]=6

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