starter Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, _] → [7, 8, 2]

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Answer: Row2[2]=10, Row2[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [15,10]
  • [7,8,2]
Base
  • 7
  • 8
  • 2
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":1,"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): [6] → [2, 4] → [_, _, 3]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [6]
  • [2,4]
  • [1,1,3]
Base
  • 1
  • 1
  • 3
TopValue
6
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"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): [17] → [7, _] → [1, _, 4]

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Answer: Row2[2]=10, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [7,10]
  • [1,6,4]
Base
  • 1
  • 6
  • 4
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"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): [_] → [12, _] → [5, 7, 8]

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Answer: Row1[1]=27, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [12,15]
  • [5,7,8]
Base
  • 5
  • 7
  • 8
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":1,"c":1,"v":15}