starter Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 15] → [3, 10, _]

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Answer: Row2[1]=13, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [3,10,5]
Base
  • 3
  • 10
  • 5
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [3, 10] → [_, _, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [3,10]
  • [2,1,9]
Base
  • 2
  • 1
  • 9
TopValue
13
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"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): [_] → [12, 15] → [_, 9, 6]

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Answer: Row3[1]=3, Row1[1]=27

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [12,15]
  • [3,9,6]
Base
  • 3
  • 9
  • 6
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":0,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [7, _] → [5, _, 6]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [7,8]
  • [5,2,6]
Base
  • 5
  • 2
  • 6
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":1,"v":2}