starter Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 6] → [8, _, 5]

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Answer: Row2[1]=9, Row3[2]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [9,6]
  • [8,1,5]
Base
  • 8
  • 1
  • 5
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"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): [36] → [_, 18] → [_, 10, 8]

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Answer: Row3[1]=8, Row2[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [18,18]
  • [8,10,8]
Base
  • 8
  • 10
  • 8
TopValue
36
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":1,"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): [24] → [15, _] → [7, _, 1]

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Answer: Row2[2]=9, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [15,9]
  • [7,8,1]
Base
  • 7
  • 8
  • 1
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"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): [27] → [12, _] → [3, 9, _]

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Answer: Row2[2]=15, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [12,15]
  • [3,9,6]
Base
  • 3
  • 9
  • 6
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":2,"v":6}