starter Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [12, 11] → [_, _, 5]

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Answer: Row3[1]=6, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [12,11]
  • [6,6,5]
Base
  • 6
  • 6
  • 5
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [11, _] → [_, 1, 2]

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Answer: Row3[1]=10, Row2[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [11,3]
  • [10,1,2]
Base
  • 10
  • 1
  • 2
TopValue
14
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [5, _] → [2, _, 9]

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Answer: Row3[2]=3, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [5,12]
  • [2,3,9]
Base
  • 2
  • 3
  • 9
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [9, 6, 7]

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Answer: Row2[2]=13, Row1[1]=28

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [15,13]
  • [9,6,7]
Base
  • 9
  • 6
  • 7
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":0,"c":0,"v":28}