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): [_] → [11, 7] → [6, _, 2]

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Answer: Row3[2]=5, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [6,5,2]
Base
  • 6
  • 5
  • 2
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":0,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [6, _] → [3, 3, _]

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Answer: Row2[2]=9, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [6,9]
  • [3,3,6]
Base
  • 3
  • 3
  • 6
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 7] → [8, _, 4]

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Answer: Row3[2]=3, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [8,3,4]
Base
  • 8
  • 3
  • 4
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":0,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 13] → [_, 10, 3]

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Answer: Row3[1]=3, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [13,13]
  • [3,10,3]
Base
  • 3
  • 10
  • 3
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":0,"v":13}