starter Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, _] → [4, 9, 8]

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Answer: Row1[1]=30, Row2[2]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [13,17]
  • [4,9,8]
Base
  • 4
  • 9
  • 8
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 8] → [5, 5, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [10,8]
  • [5,5,3]
Base
  • 5
  • 5
  • 3
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"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): [_] → [6, 9] → [_, 1, 8]

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Answer: Row3[1]=5, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [6,9]
  • [5,1,8]
Base
  • 5
  • 1
  • 8
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"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): [33] → [17, 16] → [_, _, 8]

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Answer: Row3[1]=9, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [17,16]
  • [9,8,8]
Base
  • 9
  • 8
  • 8
TopValue
33
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":1,"v":8}