starter Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, _] → [9, 7, 2]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [16,9]
  • [9,7,2]
Base
  • 9
  • 7
  • 2
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":1,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, _] → [9, 1, 6]

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Answer: Row2[2]=7, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [10,7]
  • [9,1,6]
Base
  • 9
  • 1
  • 6
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":1,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [8, 2, 5]

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Answer: Row2[2]=7, Row1[1]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [10,7]
  • [8,2,5]
Base
  • 8
  • 2
  • 5
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":0,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 7] → [10, 5, _]

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Answer: Row3[3]=2, Row1[1]=22

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [15,7]
  • [10,5,2]
Base
  • 10
  • 5
  • 2
TopValue
22
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":0,"c":0,"v":22}