starter Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [7, 4, 3]

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Answer: Row1[1]=18, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [7,4,3]
Base
  • 7
  • 4
  • 3
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"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): [38] → [_, 19] → [10, _, 10]

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Answer: Row3[2]=9, Row2[1]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [38]
  • [19,19]
  • [10,9,10]
Base
  • 10
  • 9
  • 10
TopValue
38
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"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): [_] → [_, 9] → [4, 8, 1]

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Answer: Row2[1]=12, Row1[1]=21

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [4,8,1]
Base
  • 4
  • 8
  • 1
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [6, 4] → [3, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [6,4]
  • [3,3,1]
Base
  • 3
  • 3
  • 1
TopValue
10
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":2,"v":1}