starter Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 17] → [_, 10, 7]

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Answer: Row3[1]=3, Row1[1]=30

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [13,17]
  • [3,10,7]
Base
  • 3
  • 10
  • 7
TopValue
30
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":0,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [8, _] → [3, 5, _]

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Answer: Row3[3]=9, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [8,14]
  • [3,5,9]
Base
  • 3
  • 5
  • 9
TopValue
22
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [7, 12] → [3, _, _]

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Answer: Row3[3]=8, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [7,12]
  • [3,4,8]
Base
  • 3
  • 4
  • 8
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 7] → [8, 3, _]

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Answer: Row1[1]=18, Row3[3]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [8,3,4]
Base
  • 8
  • 3
  • 4
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"r":2,"c":2,"v":4}