starter Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 10] → [_, 9, 1]

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Answer: Row1[1]=22, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [3,9,1]
Base
  • 3
  • 9
  • 1
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [14, _] → [_, 8, 5]

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Answer: Row2[2]=13, Row3[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [14,13]
  • [6,8,5]
Base
  • 6
  • 8
  • 5
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [10, _] → [_, 8, 7]

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Answer: Row3[1]=2, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [2,8,7]
Base
  • 2
  • 8
  • 7
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 8] → [_, 1, 7]

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Answer: Row3[1]=10, Row1[1]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [11,8]
  • [10,1,7]
Base
  • 10
  • 1
  • 7
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":0,"c":0,"v":19}