starter Set 67 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [13, _] → [9, 4, _]

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Answer: Row3[3]=3, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [13,7]
  • [9,4,3]
Base
  • 9
  • 4
  • 3
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"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): [25] → [12, _] → [8, 4, _]

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Answer: Row3[3]=9, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [8,4,9]
Base
  • 8
  • 4
  • 9
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [10, _] → [_, 6, 1]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [10,7]
  • [4,6,1]
Base
  • 4
  • 6
  • 1
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"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): [_] → [20, _] → [10, 10, 4]

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Answer: Row2[2]=14, Row1[1]=34

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [20,14]
  • [10,10,4]
Base
  • 10
  • 10
  • 4
TopValue
34
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":0,"c":0,"v":34}