starter Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [13, _] → [_, 10, 8]

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Answer: Row3[1]=3, Row2[2]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [13,18]
  • [3,10,8]
Base
  • 3
  • 10
  • 8
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [20, _] → [10, _, 3]

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Answer: Row2[2]=13, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [20,13]
  • [10,10,3]
Base
  • 10
  • 10
  • 3
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 13] → [_, 9, 4]

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Answer: Row2[1]=14, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [14,13]
  • [5,9,4]
Base
  • 5
  • 9
  • 4
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, 19] → [6, _, 9]

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Answer: Row1[1]=35, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [16,19]
  • [6,10,9]
Base
  • 6
  • 10
  • 9
TopValue
35
HiddenCells
  • {"r":0,"c":0,"v":35}
  • {"r":2,"c":1,"v":10}