starter Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [10, _] → [7, _, 6]

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

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":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 16] → [_, 7, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [12,16]
  • [5,7,9]
Base
  • 5
  • 7
  • 9
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [11, _] → [6, 5, _]

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Answer: Row3[3]=7, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [6,5,7]
Base
  • 6
  • 5
  • 7
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"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): [_] → [12, 15] → [_, 6, 9]

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Answer: Row3[1]=6, Row1[1]=27

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [12,15]
  • [6,6,9]
Base
  • 6
  • 6
  • 9
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":0,"c":0,"v":27}