starter Set 59 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, _] → [4, 8, 1]

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Answer: Row2[2]=9, Row2[1]=12

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [3, 8, 6]

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Answer: Row1[1]=25, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [11,14]
  • [3,8,6]
Base
  • 3
  • 8
  • 6
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 15] → [6, _, 6]

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Answer: Row3[2]=9, Row1[1]=30

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [15,15]
  • [6,9,6]
Base
  • 6
  • 9
  • 6
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":0,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [13, _] → [_, 3, 9]

Show answer

Answer: Row2[2]=12, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [13,12]
  • [10,3,9]
Base
  • 10
  • 3
  • 9
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":10}