starter Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [13, _] → [10, _, 1]

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Answer: Row3[2]=3, Row2[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [13,4]
  • [10,3,1]
Base
  • 10
  • 3
  • 1
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, _] → [5, 4, 8]

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Answer: Row1[1]=21, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [9,12]
  • [5,4,8]
Base
  • 5
  • 4
  • 8
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 14] → [_, 10, 4]

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Answer: Row3[1]=7, Row1[1]=31

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [17,14]
  • [7,10,4]
Base
  • 7
  • 10
  • 4
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":0,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [10, 10] → [_, 1, _]

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Answer: Row3[3]=9, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [9,1,9]
Base
  • 9
  • 1
  • 9
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":0,"v":9}