starter Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [17, 11] → [_, _, 2]

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Answer: Row3[2]=9, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [17,11]
  • [8,9,2]
Base
  • 8
  • 9
  • 2
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, 15] → [9, _, 8]

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Answer: Row1[1]=31, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [16,15]
  • [9,7,8]
Base
  • 9
  • 7
  • 8
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [4, 7] → [1, _, _]

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Answer: Row3[3]=4, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [4,7]
  • [1,3,4]
Base
  • 1
  • 3
  • 4
TopValue
11
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 6] → [10, _, 2]

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Answer: Row2[1]=14, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [14,6]
  • [10,4,2]
Base
  • 10
  • 4
  • 2
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":1,"v":4}