starter Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 13] → [_, 10, 3]

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Answer: Row3[1]=8, Row1[1]=31

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [18,13]
  • [8,10,3]
Base
  • 8
  • 10
  • 3
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":0,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 10] → [_, 2, 8]

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Answer: Row1[1]=21, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [11,10]
  • [9,2,8]
Base
  • 9
  • 2
  • 8
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"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): [_] → [2, 6] → [_, 1, 5]

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Answer: Row1[1]=8, Row3[1]=1

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [2, 6] → [1, 1, _]

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Answer: Row3[3]=5, Row1[1]=8

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