starter Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [2, 9] → [1, _, _]

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Answer: Row3[3]=8, Row3[2]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [2,9]
  • [1,1,8]
Base
  • 1
  • 1
  • 8
TopValue
11
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"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): [_] → [_, 5] → [10, 1, 4]

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Answer: Row2[1]=11, Row1[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [11,5]
  • [10,1,4]
Base
  • 10
  • 1
  • 4
TopValue
16
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":0,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 6] → [8, 4, _]

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Answer: Row3[3]=2, Row2[1]=12

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 10] → [9, 9, _]

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Answer: Row3[3]=1, Row1[1]=28

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [18,10]
  • [9,9,1]
Base
  • 9
  • 9
  • 1
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":0,"c":0,"v":28}