starter Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 10] → [_, 1, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [9,10]
  • [8,1,9]
Base
  • 8
  • 1
  • 9
TopValue
19
HiddenCells
  • {"r":2,"c":0,"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): [_] → [_, 6] → [9, 5, 1]

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Answer: Row2[1]=14, Row1[1]=20

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [14,6]
  • [9,5,1]
Base
  • 9
  • 5
  • 1
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":0,"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): [_] → [7, _] → [3, 4, 3]

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Answer: Row2[2]=7, Row1[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [7,7]
  • [3,4,3]
Base
  • 3
  • 4
  • 3
TopValue
14
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":0,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 15] → [5, 5, _]

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Answer: Row3[3]=10, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [5,5,10]
Base
  • 5
  • 5
  • 10
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":0,"v":10}