starter Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [15, 16] → [_, _, 9]

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Answer: Row3[2]=7, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [15,16]
  • [8,7,9]
Base
  • 8
  • 7
  • 9
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"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): [25] → [_, 10] → [8, _, 3]

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Answer: Row2[1]=15, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [15,10]
  • [8,7,3]
Base
  • 8
  • 7
  • 3
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 7] → [_, 6, 1]

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Answer: Row3[1]=8, Row1[1]=21

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [14,7]
  • [8,6,1]
Base
  • 8
  • 6
  • 1
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [8] → [4, _] → [3, 1, _]

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Answer: Row3[3]=3, Row2[2]=4

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