starter Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [9, 8] → [5, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [9,8]
  • [5,4,4]
Base
  • 5
  • 4
  • 4
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, _] → [7, 2, 4]

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Answer: Row2[1]=9, Row2[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [9,6]
  • [7,2,4]
Base
  • 7
  • 2
  • 4
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":1,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 11] → [10, 4, _]

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Answer: Row2[1]=14, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [14,11]
  • [10,4,7]
Base
  • 10
  • 4
  • 7
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 9] → [7, _, 4]

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Answer: Row2[1]=12, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [7,5,4]
Base
  • 7
  • 5
  • 4
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":1,"v":5}