starter Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, 15] → [7, 8, _]

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Answer: Row3[3]=7, Row2[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [15,15]
  • [7,8,7]
Base
  • 7
  • 8
  • 7
TopValue
30
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [8] → [3, _] → [_, 2, 3]

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Answer: Row2[2]=5, Row3[1]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [8]
  • [3,5]
  • [1,2,3]
Base
  • 1
  • 2
  • 3
TopValue
8
HiddenCells
  • {"r":1,"c":1,"v":5}
  • {"r":2,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 6] → [_, 5, 1]

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Answer: Row3[1]=7, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [12,6]
  • [7,5,1]
Base
  • 7
  • 5
  • 1
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":0,"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): [_] → [14, 14] → [9, _, 9]

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Answer: Row1[1]=28, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [14,14]
  • [9,5,9]
Base
  • 9
  • 5
  • 9
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":2,"c":1,"v":5}