starter Set 33 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [17, _] → [9, _, 5]

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Answer: Row3[2]=8, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [17,13]
  • [9,8,5]
Base
  • 9
  • 8
  • 5
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [_, 20] → [2, 10, _]

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Answer: Row2[1]=12, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [12,20]
  • [2,10,10]
Base
  • 2
  • 10
  • 10
TopValue
32
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [11, 12] → [8, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [8,3,9]
Base
  • 8
  • 3
  • 9
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 6] → [8, 4, 2]

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Answer: Row2[1]=12, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [12,6]
  • [8,4,2]
Base
  • 8
  • 4
  • 2
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":0,"c":0,"v":18}