starter Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [12, _] → [_, 10, 5]

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Answer: Row3[1]=2, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [12,15]
  • [2,10,5]
Base
  • 2
  • 10
  • 5
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 8] → [3, 7, _]

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Answer: Row3[3]=1, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [10,8]
  • [3,7,1]
Base
  • 3
  • 7
  • 1
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":0,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [18, _] → [10, 8, _]

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Answer: Row2[2]=16, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [18,16]
  • [10,8,8]
Base
  • 10
  • 8
  • 8
TopValue
34
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 9] → [7, 5, 4]

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Answer: Row2[1]=12, Row1[1]=21

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [7,5,4]
Base
  • 7
  • 5
  • 4
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":0,"c":0,"v":21}