starter Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 14] → [7, _, 10]

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Answer: Row1[1]=25, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [11,14]
  • [7,4,10]
Base
  • 7
  • 4
  • 10
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [_, 7] → [_, 5, 2]

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Answer: Row2[1]=7, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [7,7]
  • [2,5,2]
Base
  • 2
  • 5
  • 2
TopValue
14
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"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): [_] → [6, _] → [4, 2, 10]

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Answer: Row2[2]=12, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [6,12]
  • [4,2,10]
Base
  • 4
  • 2
  • 10
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"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): [20] → [10, _] → [8, _, 8]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [8,2,8]
Base
  • 8
  • 2
  • 8
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"c":1,"v":10}