starter Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 12] → [5, 10, _]

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Answer: Row1[1]=27, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [15,12]
  • [5,10,2]
Base
  • 5
  • 10
  • 2
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"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] → [_, 4] → [_, 2, 2]

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Answer: Row3[1]=9, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [11,4]
  • [9,2,2]
Base
  • 9
  • 2
  • 2
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 9] → [5, _, 3]

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Answer: Row2[1]=11, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [5,6,3]
Base
  • 5
  • 6
  • 3
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [13, 14] → [_, _, 7]

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Answer: Row3[1]=6, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [13,14]
  • [6,7,7]
Base
  • 6
  • 7
  • 7
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":1,"v":7}