starter Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [7, 13] → [_, _, 8]

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Answer: Row3[2]=5, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [7,13]
  • [2,5,8]
Base
  • 2
  • 5
  • 8
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [3, 9] → [1, _, 7]

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Answer: Row1[1]=12, Row3[2]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [3,9]
  • [1,2,7]
Base
  • 1
  • 2
  • 7
TopValue
12
HiddenCells
  • {"r":0,"c":0,"v":12}
  • {"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): [_] → [9, 14] → [_, 5, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [9,14]
  • [4,5,9]
Base
  • 4
  • 5
  • 9
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"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): [13] → [4, 9] → [_, 1, _]

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Answer: Row3[3]=8, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [4,9]
  • [3,1,8]
Base
  • 3
  • 1
  • 8
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":0,"v":3}