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): [_] → [_, 13] → [3, 4, 9]

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Answer: Row2[1]=7, Row1[1]=20

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [7,13]
  • [3,4,9]
Base
  • 3
  • 4
  • 9
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":0,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 13] → [_, 4, 9]

Show answer

Answer: Row3[1]=9, Row1[1]=26

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [13,13]
  • [9,4,9]
Base
  • 9
  • 4
  • 9
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":0,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, _] → [3, 4, 5]

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Answer: Row2[2]=9, Row1[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [7,9]
  • [3,4,5]
Base
  • 3
  • 4
  • 5
TopValue
16
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":0,"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): [_] → [13, 6] → [9, _, 2]

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Answer: Row1[1]=19, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [13,6]
  • [9,4,2]
Base
  • 9
  • 4
  • 2
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":2,"c":1,"v":4}