starter Set 14 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [3, 4] → [_, 1, 3]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [7]
  • [3,4]
  • [2,1,3]
Base
  • 2
  • 1
  • 3
TopValue
7
HiddenCells
  • {"r":0,"c":0,"v":7}
  • {"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): [30] → [_, 15] → [10, 5, _]

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Answer: Row2[1]=15, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [15,15]
  • [10,5,10]
Base
  • 10
  • 5
  • 10
TopValue
30
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [9, _] → [5, _, 8]

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Answer: Row3[2]=4, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [9,12]
  • [5,4,8]
Base
  • 5
  • 4
  • 8
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":1,"c":1,"v":12}

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

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Answer: Row2[1]=4, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [4,7]
  • [1,3,4]
Base
  • 1
  • 3
  • 4
TopValue
11
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":2,"c":1,"v":3}