starter Set 54 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [4, _] → [2, _, 5]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [4,7]
  • [2,2,5]
Base
  • 2
  • 2
  • 5
TopValue
11
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"c":1,"v":7}

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

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Answer: Row2[1]=9, Row1[1]=18

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, _] → [9, 4, 2]

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Answer: Row2[2]=6, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [13,6]
  • [9,4,2]
Base
  • 9
  • 4
  • 2
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":1,"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): [_] → [7, 6] → [5, 2, _]

Show answer

Answer: Row3[3]=4, Row1[1]=13

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