starter Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [7, 5] → [4, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [7,5]
  • [4,3,2]
Base
  • 4
  • 3
  • 2
TopValue
12
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [11, 17] → [_, _, 10]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [11,17]
  • [4,7,10]
Base
  • 4
  • 7
  • 10
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":2,"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): [29] → [12, 17] → [4, _, _]

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Answer: Row3[2]=8, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [12,17]
  • [4,8,9]
Base
  • 4
  • 8
  • 9
TopValue
29
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 11] → [2, _, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [4,11]
  • [2,2,9]
Base
  • 2
  • 2
  • 9
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":2,"c":1,"v":2}