starter Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [7, _] → [3, _, 4]

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Answer: Row2[2]=8, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [7,8]
  • [3,4,4]
Base
  • 3
  • 4
  • 4
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"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): [_] → [11, 12] → [8, 3, _]

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Answer: Row1[1]=23, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [8,3,9]
Base
  • 8
  • 3
  • 9
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [11, 12] → [_, 5, _]

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Answer: Row3[1]=6, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [6,5,7]
Base
  • 6
  • 5
  • 7
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, _] → [10, 7, 2]

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Answer: Row2[1]=17, Row2[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [17,9]
  • [10,7,2]
Base
  • 10
  • 7
  • 2
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":1,"c":1,"v":9}