starter Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 19] → [5, _, 9]

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Answer: Row3[2]=10, Row1[1]=34

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [15,19]
  • [5,10,9]
Base
  • 5
  • 10
  • 9
TopValue
34
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":0,"c":0,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [11, _] → [_, 3, 7]

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Answer: Row2[2]=10, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [11,10]
  • [8,3,7]
Base
  • 8
  • 3
  • 7
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 14] → [_, 9, 5]

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Answer: Row3[1]=4, Row1[1]=27

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [13,14]
  • [4,9,5]
Base
  • 4
  • 9
  • 5
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":0,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [17, 14] → [8, _, _]

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Answer: Row3[3]=5, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [17,14]
  • [8,9,5]
Base
  • 8
  • 9
  • 5
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":1,"v":9}