starter Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [6, 5] → [4, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [6,5]
  • [4,2,3]
Base
  • 4
  • 2
  • 3
TopValue
11
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 9] → [10, 8, 1]

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Answer: Row1[1]=27, Row2[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [18,9]
  • [10,8,1]
Base
  • 10
  • 8
  • 1
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"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): [_] → [15, 17] → [_, 8, 9]

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Answer: Row1[1]=32, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [15,17]
  • [7,8,9]
Base
  • 7
  • 8
  • 9
TopValue
32
HiddenCells
  • {"r":0,"c":0,"v":32}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, _] → [5, 3, 9]

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Answer: Row2[2]=12, Row2[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [8,12]
  • [5,3,9]
Base
  • 5
  • 3
  • 9
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":1,"c":0,"v":8}