starter Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, 11] → [6, 10, _]

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Answer: Row1[1]=27, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [16,11]
  • [6,10,1]
Base
  • 6
  • 10
  • 1
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 9] → [8, 4, _]

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Answer: Row3[3]=5, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [8,4,5]
Base
  • 8
  • 4
  • 5
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"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): [31] → [_, 13] → [_, 10, 3]

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Answer: Row2[1]=18, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [18,13]
  • [8,10,3]
Base
  • 8
  • 10
  • 3
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"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): [_] → [11, 12] → [_, 7, 5]

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Answer: Row1[1]=23, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [4,7,5]
Base
  • 4
  • 7
  • 5
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":2,"c":0,"v":4}