starter Set 14 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 12] → [5, 3, 9]

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Answer: Row2[1]=8, Row1[1]=20

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [8,12]
  • [5,3,9]
Base
  • 5
  • 3
  • 9
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"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): [21] → [_, 9] → [7, 5, _]

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Answer: Row2[1]=12, Row3[3]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [7,5,4]
Base
  • 7
  • 5
  • 4
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 10] → [_, 7, 3]

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Answer: Row1[1]=22, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [5,7,3]
Base
  • 5
  • 7
  • 3
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 17] → [10, _, 10]

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Answer: Row3[2]=7, Row2[1]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [17,17]
  • [10,7,10]
Base
  • 10
  • 7
  • 10
TopValue
34
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":0,"v":17}