starter Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [12, 4] → [_, 3, _]

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Answer: Row3[1]=9, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [12,4]
  • [9,3,1]
Base
  • 9
  • 3
  • 1
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 18] → [4, 9, 9]

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Answer: Row1[1]=31, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [13,18]
  • [4,9,9]
Base
  • 4
  • 9
  • 9
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"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): [35] → [18, 17] → [9, _, _]

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Answer: Row3[2]=9, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [18,17]
  • [9,9,8]
Base
  • 9
  • 9
  • 8
TopValue
35
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [9, 2, 5]

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Answer: Row2[2]=7, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [9,2,5]
Base
  • 9
  • 2
  • 5
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":0,"c":0,"v":18}