starter Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 13] → [_, 4, 9]

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Answer: Row2[1]=14, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [14,13]
  • [10,4,9]
Base
  • 10
  • 4
  • 9
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"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): [22] → [10, _] → [_, 7, 5]

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Answer: Row2[2]=12, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [10,12]
  • [3,7,5]
Base
  • 3
  • 7
  • 5
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"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): [21] → [_, 10] → [_, 8, 2]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [11,10]
  • [3,8,2]
Base
  • 3
  • 8
  • 2
TopValue
21
HiddenCells
  • {"r":2,"c":0,"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): [_] → [10, 13] → [1, _, 4]

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Answer: Row3[2]=9, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [10,13]
  • [1,9,4]
Base
  • 1
  • 9
  • 4
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":0,"c":0,"v":23}