starter Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [8, 2, 3]

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Answer: Row2[2]=5, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [10,5]
  • [8,2,3]
Base
  • 8
  • 2
  • 3
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":5}
  • {"r":0,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [18, _] → [_, 8, 2]

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Answer: Row2[2]=10, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [18,10]
  • [10,8,2]
Base
  • 10
  • 8
  • 2
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"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): [_] → [13, 11] → [_, 5, 6]

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Answer: Row3[1]=8, Row1[1]=24

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [13,11]
  • [8,5,6]
Base
  • 8
  • 5
  • 6
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"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): [_] → [15, 16] → [9, 6, _]

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Answer: Row1[1]=31, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [15,16]
  • [9,6,10]
Base
  • 9
  • 6
  • 10
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":2,"c":2,"v":10}