starter Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 15] → [2, 10, _]

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Answer: Row3[3]=5, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [12,15]
  • [2,10,5]
Base
  • 2
  • 10
  • 5
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [9, _] → [_, 3, 5]

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Answer: Row3[1]=6, Row2[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [9,8]
  • [6,3,5]
Base
  • 6
  • 3
  • 5
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [14, 16] → [8, _, _]

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Answer: Row3[2]=6, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [14,16]
  • [8,6,10]
Base
  • 8
  • 6
  • 10
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"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): [16] → [8, _] → [5, _, 5]

Show answer

Answer: Row3[2]=3, Row2[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [8,8]
  • [5,3,5]
Base
  • 5
  • 3
  • 5
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":1,"v":8}