starter Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, _] → [8, 1, 9]

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Answer: Row1[1]=19, Row2[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [9,10]
  • [8,1,9]
Base
  • 8
  • 1
  • 9
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [14, _] → [4, 10, _]

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Answer: Row3[3]=9, Row2[2]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [14,19]
  • [4,10,9]
Base
  • 4
  • 10
  • 9
TopValue
33
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 8] → [_, 5, 3]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [9,8]
  • [4,5,3]
Base
  • 4
  • 5
  • 3
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"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): [25] → [11, 14] → [_, 6, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [11,14]
  • [5,6,8]
Base
  • 5
  • 6
  • 8
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":8}