starter Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 11] → [4, 10, _]

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Answer: Row2[1]=14, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [14,11]
  • [4,10,1]
Base
  • 4
  • 10
  • 1
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"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): [21] → [9, _] → [6, _, 9]

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Answer: Row2[2]=12, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [9,12]
  • [6,3,9]
Base
  • 6
  • 3
  • 9
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"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] → [11, 9] → [_, _, 5]

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Answer: Row3[1]=7, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [7,4,5]
Base
  • 7
  • 4
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 9] → [5, _, 1]

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Answer: Row3[2]=8, Row1[1]=22

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