starter Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 13] → [_, 7, 6]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [8,13]
  • [1,7,6]
Base
  • 1
  • 7
  • 6
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":2,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [6, 12] → [_, _, 7]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [6,12]
  • [1,5,7]
Base
  • 1
  • 5
  • 7
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 10] → [_, 1, 9]

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Answer: Row2[1]=6, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [6,10]
  • [5,1,9]
Base
  • 5
  • 1
  • 9
TopValue
16
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [7, 9, 6]

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Answer: Row1[1]=31, Row2[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [16,15]
  • [7,9,6]
Base
  • 7
  • 9
  • 6
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":1,"c":0,"v":16}