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] → [12, 11] → [_, _, 2]

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Answer: Row3[2]=9, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [12,11]
  • [3,9,2]
Base
  • 3
  • 9
  • 2
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":3}

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

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Answer: Row3[3]=5, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [7,6]
  • [6,1,5]
Base
  • 6
  • 1
  • 5
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":0,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 9] → [6, 6, _]

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Answer: Row2[1]=12, Row3[3]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [6,6,3]
Base
  • 6
  • 6
  • 3
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [_, 18] → [9, _, 8]

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Answer: Row3[2]=10, Row2[1]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [37]
  • [19,18]
  • [9,10,8]
Base
  • 9
  • 10
  • 8
TopValue
37
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":0,"v":19}