starter Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [4, 11] → [2, _, 9]

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Answer: Row3[2]=2, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [4,11]
  • [2,2,9]
Base
  • 2
  • 2
  • 9
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":0,"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): [_] → [7, 7] → [_, 5, 2]

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Answer: Row3[1]=2, Row1[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [7,7]
  • [2,5,2]
Base
  • 2
  • 5
  • 2
TopValue
14
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":0,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 20] → [_, 10, 10]

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Answer: Row1[1]=32, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [12,20]
  • [2,10,10]
Base
  • 2
  • 10
  • 10
TopValue
32
HiddenCells
  • {"r":0,"c":0,"v":32}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 11] → [4, _, 6]

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Answer: Row2[1]=9, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [9,11]
  • [4,5,6]
Base
  • 4
  • 5
  • 6
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":1,"v":5}