starter Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [5, _] → [2, 3, _]

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Answer: Row2[2]=10, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [5,10]
  • [2,3,7]
Base
  • 2
  • 3
  • 7
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"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): [23] → [11, 12] → [1, _, _]

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Answer: Row3[2]=10, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [1,10,2]
Base
  • 1
  • 10
  • 2
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 11] → [3, 9, _]

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Answer: Row2[1]=12, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [12,11]
  • [3,9,2]
Base
  • 3
  • 9
  • 2
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 7] → [6, 2, _]

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Answer: Row3[3]=5, Row2[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [6,2,5]
Base
  • 6
  • 2
  • 5
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":0,"v":8}