starter Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [9, _] → [1, 8, _]

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Answer: Row2[2]=15, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [9,15]
  • [1,8,7]
Base
  • 1
  • 8
  • 7
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 13] → [2, 10, 3]

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Answer: Row2[1]=12, Row1[1]=25

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [2,10,3]
Base
  • 2
  • 10
  • 3
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [7] → [4, _] → [_, 1, 2]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [7]
  • [4,3]
  • [3,1,2]
Base
  • 3
  • 1
  • 2
TopValue
7
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"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): [30] → [18, _] → [9, _, 3]

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Answer: Row3[2]=9, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [18,12]
  • [9,9,3]
Base
  • 9
  • 9
  • 3
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":1,"v":12}