starter Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [18, _] → [_, 8, 5]

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Answer: Row2[2]=13, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [18,13]
  • [10,8,5]
Base
  • 10
  • 8
  • 5
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [5, 9, 8]

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Answer: Row2[1]=14, Row2[2]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [14,17]
  • [5,9,8]
Base
  • 5
  • 9
  • 8
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [6, 9] → [_, 1, _]

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Answer: Row3[1]=5, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [6,9]
  • [5,1,8]
Base
  • 5
  • 1
  • 8
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 13] → [7, 10, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [17,13]
  • [7,10,3]
Base
  • 7
  • 10
  • 3
TopValue
30
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":0,"c":0,"v":30}