starter Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [11, 6] → [9, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [11,6]
  • [9,2,4]
Base
  • 9
  • 2
  • 4
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"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): [_] → [8, 13] → [_, 6, 7]

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Answer: Row1[1]=21, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [8,13]
  • [2,6,7]
Base
  • 2
  • 6
  • 7
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, 8] → [4, 1, _]

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Answer: Row2[1]=5, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [5,8]
  • [4,1,7]
Base
  • 4
  • 1
  • 7
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":5}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, _] → [2, 7, 8]

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Answer: Row2[2]=15, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [9,15]
  • [2,7,8]
Base
  • 2
  • 7
  • 8
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":1,"c":0,"v":9}