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): [_] → [14, 18] → [5, 9, _]

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Answer: Row3[3]=9, Row1[1]=32

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [14,18]
  • [5,9,9]
Base
  • 5
  • 9
  • 9
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":0,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 16] → [3, 7, _]

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Answer: Row2[1]=10, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [10,16]
  • [3,7,9]
Base
  • 3
  • 7
  • 9
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"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] → [10, 6, 9]

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Answer: Row2[1]=16, Row1[1]=31

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [16,15]
  • [10,6,9]
Base
  • 10
  • 6
  • 9
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":0,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [9, _] → [_, 7, 1]

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Answer: Row3[1]=2, Row2[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [9,8]
  • [2,7,1]
Base
  • 2
  • 7
  • 1
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":1,"v":8}