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): [31] → [15, _] → [7, _, 8]

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Answer: Row3[2]=8, Row2[2]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [15,16]
  • [7,8,8]
Base
  • 7
  • 8
  • 8
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [7, 5] → [_, 3, _]

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Answer: Row3[1]=4, 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":0,"v":4}
  • {"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): [30] → [12, 18] → [2, _, _]

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Answer: Row3[2]=10, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [12,18]
  • [2,10,8]
Base
  • 2
  • 10
  • 8
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [11, _] → [8, 3, _]

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Answer: Row2[2]=8, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [11,8]
  • [8,3,5]
Base
  • 8
  • 3
  • 5
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":2,"v":5}