starter Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 15] → [_, 8, 7]

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Answer: Row3[1]=9, Row1[1]=32

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [17,15]
  • [9,8,7]
Base
  • 9
  • 8
  • 7
TopValue
32
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":0,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [7, _] → [2, _, 8]

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Answer: Row2[2]=13, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [7,13]
  • [2,5,8]
Base
  • 2
  • 5
  • 8
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"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): [_] → [_, 13] → [2, 8, 5]

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Answer: Row1[1]=23, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [10,13]
  • [2,8,5]
Base
  • 2
  • 8
  • 5
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":1,"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): [33] → [14, _] → [5, 9, _]

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Answer: Row3[3]=10, Row2[2]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [14,19]
  • [5,9,10]
Base
  • 5
  • 9
  • 10
TopValue
33
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":1,"v":19}