starter Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [11, 12] → [_, 9, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [2,9,3]
Base
  • 2
  • 9
  • 3
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [14, _] → [9, _, 4]

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Answer: Row2[2]=9, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [14,9]
  • [9,5,4]
Base
  • 9
  • 5
  • 4
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 9] → [7, 8, _]

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Answer: Row1[1]=24, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [15,9]
  • [7,8,1]
Base
  • 7
  • 8
  • 1
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 6] → [7, _, 1]

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Answer: Row3[2]=5, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [12,6]
  • [7,5,1]
Base
  • 7
  • 5
  • 1
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":0,"c":0,"v":18}