starter Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [_, _] → [2, 2, 3]

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Answer: Row2[2]=5, Row2[1]=4

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [12, 6] → [9, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [12,6]
  • [9,3,3]
Base
  • 9
  • 3
  • 3
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [3, 6] → [2, 1, _]

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Answer: Row1[1]=9, Row3[3]=5

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, _] → [9, 1, 2]

Show answer

Answer: Row2[2]=3, Row2[1]=10

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