starter Set 42 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 15] → [_, 10, 5]

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Answer: Row1[1]=28, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [3,10,5]
Base
  • 3
  • 10
  • 5
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 15] → [3, _, 8]

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Answer: Row3[2]=7, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [3,7,8]
Base
  • 3
  • 7
  • 8
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"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] → [18, 15] → [_, _, 5]

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Answer: Row3[2]=10, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [18,15]
  • [8,10,5]
Base
  • 8
  • 10
  • 5
TopValue
33
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, _] → [10, 8, 9]

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Answer: Row2[2]=17, Row1[1]=35

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [18,17]
  • [10,8,9]
Base
  • 10
  • 8
  • 9
TopValue
35
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":0,"c":0,"v":35}