starter Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [13, 15] → [_, 9, _]

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Answer: Row3[3]=6, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [4,9,6]
Base
  • 4
  • 9
  • 6
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 17] → [_, 9, 8]

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Answer: Row3[1]=2, Row1[1]=28

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [11,17]
  • [2,9,8]
Base
  • 2
  • 9
  • 8
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 17] → [7, _, 7]

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Answer: Row2[1]=17, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [17,17]
  • [7,10,7]
Base
  • 7
  • 10
  • 7
TopValue
34
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, _] → [10, 6, 3]

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Answer: Row2[1]=16, Row2[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [16,9]
  • [10,6,3]
Base
  • 10
  • 6
  • 3
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":1,"c":1,"v":9}