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] → [_, 5, 2]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [3,5,2]
Base
  • 3
  • 5
  • 2
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 7] → [3, _, 2]

Show answer

Answer: Row3[2]=5, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [3,5,2]
Base
  • 3
  • 5
  • 2
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"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): [_] → [_, 13] → [6, 3, 10]

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Answer: Row1[1]=22, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [9,13]
  • [6,3,10]
Base
  • 6
  • 3
  • 10
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [10, 7] → [_, 4, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [10,7]
  • [6,4,3]
Base
  • 6
  • 4
  • 3
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":0,"v":6}