starter Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [8, _] → [6, 2, _]

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Answer: Row2[2]=3, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [8,3]
  • [6,2,1]
Base
  • 6
  • 2
  • 1
TopValue
11
HiddenCells
  • {"r":1,"c":1,"v":3}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, 9] → [10, _, 4]

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Answer: Row2[1]=15, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [15,9]
  • [10,5,4]
Base
  • 10
  • 5
  • 4
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 15] → [8, _, 8]

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Answer: Row1[1]=30, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [15,15]
  • [8,7,8]
Base
  • 8
  • 7
  • 8
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"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): [29] → [_, 11] → [8, 10, _]

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Answer: Row3[3]=1, Row2[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [18,11]
  • [8,10,1]
Base
  • 8
  • 10
  • 1
TopValue
29
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"c":0,"v":18}