starter Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 5] → [8, 4, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [12,5]
  • [8,4,1]
Base
  • 8
  • 4
  • 1
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"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): [22] → [9, 13] → [_, _, 5]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [9,13]
  • [1,8,5]
Base
  • 1
  • 8
  • 5
TopValue
22
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [_, 6] → [3, 5, _]

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Answer: Row2[1]=8, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [8,6]
  • [3,5,1]
Base
  • 3
  • 5
  • 1
TopValue
14
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"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): [_] → [19, 11] → [_, 9, 2]

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Answer: Row1[1]=30, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [19,11]
  • [10,9,2]
Base
  • 10
  • 9
  • 2
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":2,"c":0,"v":10}