starter Set 48 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [5, 13] → [_, _, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [5,13]
  • [1,4,9]
Base
  • 1
  • 4
  • 9
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"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, 4] → [7, 2, _]

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Answer: Row3[3]=2, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [9,4]
  • [7,2,2]
Base
  • 7
  • 2
  • 2
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":0,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 9] → [6, 5, _]

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Answer: Row3[3]=4, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [6,5,4]
Base
  • 6
  • 5
  • 4
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 10] → [3, _, 6]

Show answer

Answer: Row2[1]=7, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [7,10]
  • [3,4,6]
Base
  • 3
  • 4
  • 6
TopValue
17
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":2,"c":1,"v":4}