starter Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [8, _] → [4, 4, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [4,4,3]
Base
  • 4
  • 4
  • 3
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [12, 10] → [_, _, 3]

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Answer: Row3[1]=5, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [5,7,3]
Base
  • 5
  • 7
  • 3
TopValue
22
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [15, _] → [9, 6, _]

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Answer: Row2[2]=12, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [15,12]
  • [9,6,6]
Base
  • 9
  • 6
  • 6
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [18, 15] → [_, 8, _]

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Answer: Row3[1]=10, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [18,15]
  • [10,8,7]
Base
  • 10
  • 8
  • 7
TopValue
33
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":2,"v":7}