starter Set 64 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 15] → [_, 9, 6]

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Answer: Row2[1]=16, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [16,15]
  • [7,9,6]
Base
  • 7
  • 9
  • 6
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":2,"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, 9, 5]

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Answer: Row1[1]=26, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [12,14]
  • [3,9,5]
Base
  • 3
  • 9
  • 5
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"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): [28] → [15, _] → [10, _, 8]

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Answer: Row2[2]=13, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [15,13]
  • [10,5,8]
Base
  • 10
  • 5
  • 8
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 8] → [10, _, 7]

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Answer: Row1[1]=19, Row3[2]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [11,8]
  • [10,1,7]
Base
  • 10
  • 1
  • 7
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":2,"c":1,"v":1}