starter Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [11, 9] → [_, 4, _]

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Answer: Row3[3]=5, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [7,4,5]
Base
  • 7
  • 4
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [10, 8] → [_, _, 2]

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Answer: Row3[2]=6, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [10,8]
  • [4,6,2]
Base
  • 4
  • 6
  • 2
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":2,"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): [_] → [13, _] → [7, 6, 10]

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Answer: Row2[2]=16, Row1[1]=29

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [13,16]
  • [7,6,10]
Base
  • 7
  • 6
  • 10
TopValue
29
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":0,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, _] → [6, 7, 5]

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Answer: Row2[2]=12, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [13,12]
  • [6,7,5]
Base
  • 6
  • 7
  • 5
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":1,"c":0,"v":13}