starter Set 26 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): [15] → [10, _] → [9, 1, _]

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Answer: Row3[3]=4, Row2[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [10,5]
  • [9,1,4]
Base
  • 9
  • 1
  • 4
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":1,"c":1,"v":5}

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

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Answer: Row3[3]=2, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [8,5]
  • [5,3,2]
Base
  • 5
  • 3
  • 2
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":0,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [_, 16] → [10, 9, _]

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Answer: Row3[3]=7, Row2[1]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [19,16]
  • [10,9,7]
Base
  • 10
  • 9
  • 7
TopValue
35
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":0,"v":19}