starter Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [14, 16] → [_, _, 7]

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Answer: Row3[2]=9, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [14,16]
  • [5,9,7]
Base
  • 5
  • 9
  • 7
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 13] → [7, _, 3]

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Answer: Row1[1]=30, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [17,13]
  • [7,10,3]
Base
  • 7
  • 10
  • 3
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"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): [17] → [_, _] → [2, 7, 1]

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Answer: Row2[2]=8, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [9,8]
  • [2,7,1]
Base
  • 2
  • 7
  • 1
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 12] → [2, _, 6]

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Answer: Row3[2]=6, Row1[1]=20

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [8,12]
  • [2,6,6]
Base
  • 2
  • 6
  • 6
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":0,"c":0,"v":20}