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): [26] → [11, _] → [_, 6, 9]

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Answer: Row3[1]=5, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [11,15]
  • [5,6,9]
Base
  • 5
  • 6
  • 9
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, 11] → [10, _, 2]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [19,11]
  • [10,9,2]
Base
  • 10
  • 9
  • 2
TopValue
30
HiddenCells
  • {"r":1,"c":0,"v":19}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 9] → [7, _, 6]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [10,9]
  • [7,3,6]
Base
  • 7
  • 3
  • 6
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"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): [_] → [14, 14] → [_, 9, 5]

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Answer: Row3[1]=5, Row1[1]=28

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [14,14]
  • [5,9,5]
Base
  • 5
  • 9
  • 5
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":0,"c":0,"v":28}