starter Set 67 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [9, 3] → [_, _, 2]

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Answer: Row3[1]=8, Row3[2]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [9,3]
  • [8,1,2]
Base
  • 8
  • 1
  • 2
TopValue
12
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"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): [_] → [11, 9] → [9, _, 7]

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Answer: Row1[1]=20, Row3[2]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [9,2,7]
Base
  • 9
  • 2
  • 7
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 19] → [9, _, 9]

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Answer: Row3[2]=10, Row1[1]=38

SubType
number-pyramid
Difficulty
starter
Levels
  • [38]
  • [19,19]
  • [9,10,9]
Base
  • 9
  • 10
  • 9
TopValue
38
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":0,"c":0,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [9, 7, 8]

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Answer: Row2[1]=16, Row1[1]=31

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [16,15]
  • [9,7,8]
Base
  • 9
  • 7
  • 8
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":0,"c":0,"v":31}