starter Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [20, _] → [_, 10, 3]

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Answer: Row2[2]=13, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [20,13]
  • [10,10,3]
Base
  • 10
  • 10
  • 3
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [6] → [_, _] → [2, 1, 2]

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Answer: Row2[2]=3, Row2[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [6]
  • [3,3]
  • [2,1,2]
Base
  • 2
  • 1
  • 2
TopValue
6
HiddenCells
  • {"r":1,"c":1,"v":3}
  • {"r":1,"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): [_] → [8, 11] → [5, 3, _]

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Answer: Row3[3]=8, Row1[1]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [8,11]
  • [5,3,8]
Base
  • 5
  • 3
  • 8
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"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): [_] → [12, 5] → [9, _, 2]

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Answer: Row1[1]=17, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [12,5]
  • [9,3,2]
Base
  • 9
  • 3
  • 2
TopValue
17
HiddenCells
  • {"r":0,"c":0,"v":17}
  • {"r":2,"c":1,"v":3}