starter Set 69 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [13, _] → [_, 9, 9]

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Answer: Row2[2]=18, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [13,18]
  • [4,9,9]
Base
  • 4
  • 9
  • 9
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"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): [15] → [_, 8] → [1, 6, _]

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Answer: Row3[3]=2, Row2[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [7,8]
  • [1,6,2]
Base
  • 1
  • 6
  • 2
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":1,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [_, _] → [3, 4, 3]

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Answer: Row2[2]=7, Row2[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [7,7]
  • [3,4,3]
Base
  • 3
  • 4
  • 3
TopValue
14
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":1,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 4] → [9, 2, _]

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Answer: Row3[3]=2, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [11,4]
  • [9,2,2]
Base
  • 9
  • 2
  • 2
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":0,"c":0,"v":15}