starter Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [7, _] → [_, 6, 7]

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Answer: Row2[2]=13, Row3[1]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [7,13]
  • [1,6,7]
Base
  • 1
  • 6
  • 7
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"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): [25] → [10, 15] → [_, _, 7]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [2,8,7]
Base
  • 2
  • 8
  • 7
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 12] → [4, _, 9]

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Answer: Row2[1]=7, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [7,12]
  • [4,3,9]
Base
  • 4
  • 3
  • 9
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, _] → [2, 8, 3]

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Answer: Row2[2]=11, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [2,8,3]
Base
  • 2
  • 8
  • 3
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":1,"c":0,"v":10}