starter Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [11, 7] → [_, 2, _]

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Answer: Row3[3]=5, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [9,2,5]
Base
  • 9
  • 2
  • 5
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":2,"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): [_] → [_, 15] → [7, 8, 7]

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Answer: Row2[1]=15, Row1[1]=30

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [15,15]
  • [7,8,7]
Base
  • 7
  • 8
  • 7
TopValue
30
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":0,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 15] → [2, _, 9]

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Answer: Row2[1]=8, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [8,15]
  • [2,6,9]
Base
  • 2
  • 6
  • 9
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 6] → [6, 3, 3]

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Answer: Row1[1]=15, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [9,6]
  • [6,3,3]
Base
  • 6
  • 3
  • 3
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":1,"c":0,"v":9}