starter Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 10] → [8, 1, 9]

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Answer: Row2[1]=9, Row1[1]=19

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, 17] → [_, 8, 9]

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Answer: Row2[1]=13, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [13,17]
  • [5,8,9]
Base
  • 5
  • 8
  • 9
TopValue
30
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 8] → [8, 6, _]

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Answer: Row1[1]=22, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [14,8]
  • [8,6,2]
Base
  • 8
  • 6
  • 2
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 7] → [_, 5, 2]

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Answer: Row1[1]=15, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [3,5,2]
Base
  • 3
  • 5
  • 2
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":2,"c":0,"v":3}