starter Set 63 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 3] → [_, 2, 1]

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Answer: Row3[1]=10, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [12,3]
  • [10,2,1]
Base
  • 10
  • 2
  • 1
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":0,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 11] → [10, _, 1]

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Answer: Row3[2]=10, Row2[1]=20

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [20,11]
  • [10,10,1]
Base
  • 10
  • 10
  • 1
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 12] → [8, _, 9]

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Answer: Row3[2]=3, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [8,3,9]
Base
  • 8
  • 3
  • 9
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, 12] → [1, _, 8]

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Answer: Row3[2]=4, Row1[1]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [5,12]
  • [1,4,8]
Base
  • 1
  • 4
  • 8
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":0,"c":0,"v":17}