starter Set 16 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, 16] → [9, _, _]

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Answer: Row3[3]=10, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [15,16]
  • [9,6,10]
Base
  • 9
  • 6
  • 10
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":2,"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): [_] → [8, 16] → [_, 6, 10]

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Answer: Row3[1]=2, Row1[1]=24

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [8,16]
  • [2,6,10]
Base
  • 2
  • 6
  • 10
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":0,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 18] → [2, 9, 9]

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Answer: Row1[1]=29, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [11,18]
  • [2,9,9]
Base
  • 2
  • 9
  • 9
TopValue
29
HiddenCells
  • {"r":0,"c":0,"v":29}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [15, _] → [5, _, 8]

Show answer

Answer: Row2[2]=18, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [15,18]
  • [5,10,8]
Base
  • 5
  • 10
  • 8
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":1,"v":10}