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): [_] → [10, 11] → [7, 3, _]

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Answer: Row3[3]=8, Row1[1]=21

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [7,3,8]
Base
  • 7
  • 3
  • 8
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, _] → [3, 10, 5]

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Answer: Row2[2]=15, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [3,10,5]
Base
  • 3
  • 10
  • 5
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":1,"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): [14] → [10, 4] → [_, _, 3]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [10,4]
  • [9,1,3]
Base
  • 9
  • 1
  • 3
TopValue
14
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [_, _] → [10, 9, 7]

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Answer: Row2[2]=16, Row2[1]=19

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