starter Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, _] → [8, 10, 5]

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Answer: Row2[2]=15, Row1[1]=33

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [18,15]
  • [8,10,5]
Base
  • 8
  • 10
  • 5
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":0,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [8, 6] → [_, 2, _]

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Answer: Row3[1]=6, Row3[3]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [8,6]
  • [6,2,4]
Base
  • 6
  • 2
  • 4
TopValue
14
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 12] → [_, 9, 3]

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Answer: Row3[1]=10, Row2[1]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [19,12]
  • [10,9,3]
Base
  • 10
  • 9
  • 3
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [6, 9] → [2, _, _]

Show answer

Answer: Row3[2]=4, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [6,9]
  • [2,4,5]
Base
  • 2
  • 4
  • 5
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":2,"v":5}