starter Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 9] → [5, 2, 7]

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Answer: Row1[1]=16, Row2[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [7,9]
  • [5,2,7]
Base
  • 5
  • 2
  • 7
TopValue
16
HiddenCells
  • {"r":0,"c":0,"v":16}
  • {"r":1,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [8] → [_, 2] → [5, _, 1]

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Answer: Row2[1]=6, Row3[2]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [8]
  • [6,2]
  • [5,1,1]
Base
  • 5
  • 1
  • 1
TopValue
8
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [6, 13] → [_, 3, 10]

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Answer: Row1[1]=19, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [6,13]
  • [3,3,10]
Base
  • 3
  • 3
  • 10
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"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): [_] → [4, 12] → [1, _, 9]

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Answer: Row3[2]=3, Row1[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [4,12]
  • [1,3,9]
Base
  • 1
  • 3
  • 9
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":0,"c":0,"v":16}