starter Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 11] → [2, 2, _]

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Answer: Row2[1]=4, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [4,11]
  • [2,2,9]
Base
  • 2
  • 2
  • 9
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, 11] → [_, 8, 3]

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Answer: Row1[1]=27, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [16,11]
  • [8,8,3]
Base
  • 8
  • 8
  • 3
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"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): [24] → [13, 11] → [10, _, _]

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Answer: Row3[3]=8, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [13,11]
  • [10,3,8]
Base
  • 10
  • 3
  • 8
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [5, _] → [_, 1, 8]

Show answer

Answer: Row2[2]=9, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [5,9]
  • [4,1,8]
Base
  • 4
  • 1
  • 8
TopValue
14
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":0,"v":4}