starter Set 81 Form Exercise

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

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Answer: Row1[1]=15, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [4,4,3]
Base
  • 4
  • 4
  • 3
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"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): [16] → [_, 12] → [1, 3, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [4,12]
  • [1,3,9]
Base
  • 1
  • 3
  • 9
TopValue
16
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [11, 13] → [7, _, _]

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Answer: Row3[2]=4, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [11,13]
  • [7,4,9]
Base
  • 7
  • 4
  • 9
TopValue
24
HiddenCells
  • {"r":2,"c":1,"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): [_] → [14, 16] → [4, 10, _]

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Answer: Row3[3]=6, Row1[1]=30

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [14,16]
  • [4,10,6]
Base
  • 4
  • 10
  • 6
TopValue
30
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":0,"c":0,"v":30}