starter Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 9] → [3, 3, _]

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Answer: Row3[3]=6, Row2[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [6,9]
  • [3,3,6]
Base
  • 3
  • 3
  • 6
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":1,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 8] → [3, 5, 3]

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Answer: Row1[1]=16, Row2[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [8,8]
  • [3,5,3]
Base
  • 3
  • 5
  • 3
TopValue
16
HiddenCells
  • {"r":0,"c":0,"v":16}
  • {"r":1,"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): [14] → [6, 8] → [_, 1, _]

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Answer: Row3[1]=5, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [6,8]
  • [5,1,7]
Base
  • 5
  • 1
  • 7
TopValue
14
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 7] → [8, _, 2]

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Answer: Row3[2]=5, Row1[1]=20

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [13,7]
  • [8,5,2]
Base
  • 8
  • 5
  • 2
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":0,"c":0,"v":20}