starter Set 42 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, 8] → [_, 2, 6]

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Answer: Row2[1]=4, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [4,8]
  • [2,2,6]
Base
  • 2
  • 2
  • 6
TopValue
12
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"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): [_] → [19, 18] → [10, 9, _]

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Answer: Row3[3]=9, Row1[1]=37

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 10] → [5, _, 1]

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Answer: Row1[1]=24, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [14,10]
  • [5,9,1]
Base
  • 5
  • 9
  • 1
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"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): [20] → [8, 12] → [_, 7, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [8,12]
  • [1,7,5]
Base
  • 1
  • 7
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"c":2,"v":5}