starter Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, _] → [6, 2, 5]

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Answer: Row2[1]=8, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [6,2,5]
Base
  • 6
  • 2
  • 5
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":1,"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): [_] → [7, 2] → [_, 1, 1]

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Answer: Row3[1]=6, Row1[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [9]
  • [7,2]
  • [6,1,1]
Base
  • 6
  • 1
  • 1
TopValue
9
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":0,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [8, _] → [6, _, 7]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [8,9]
  • [6,2,7]
Base
  • 6
  • 2
  • 7
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [16, 17] → [_, _, 9]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [16,17]
  • [8,8,9]
Base
  • 8
  • 8
  • 9
TopValue
33
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":0,"v":8}