starter Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 5] → [_, 3, 2]

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Answer: Row2[1]=12, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [12,5]
  • [9,3,2]
Base
  • 9
  • 3
  • 2
TopValue
17
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 9] → [4, 6, _]

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Answer: Row3[3]=3, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [10,9]
  • [4,6,3]
Base
  • 4
  • 6
  • 3
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [15, _] → [5, 10, _]

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Answer: Row3[3]=4, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [15,14]
  • [5,10,4]
Base
  • 5
  • 10
  • 4
TopValue
29
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [18, 19] → [_, _, 9]

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Answer: Row3[2]=10, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [37]
  • [18,19]
  • [8,10,9]
Base
  • 8
  • 10
  • 9
TopValue
37
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":8}