starter Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, _] → [9, 4, 10]

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Answer: Row2[1]=13, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [13,14]
  • [9,4,10]
Base
  • 9
  • 4
  • 10
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 8] → [7, 4, _]

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Answer: Row3[3]=4, Row1[1]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [11,8]
  • [7,4,4]
Base
  • 7
  • 4
  • 4
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":0,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [12, _] → [_, 2, 4]

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Answer: Row2[2]=6, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [12,6]
  • [10,2,4]
Base
  • 10
  • 2
  • 4
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"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): [_] → [8, 5] → [5, 3, _]

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Answer: Row3[3]=2, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [8,5]
  • [5,3,2]
Base
  • 5
  • 3
  • 2
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":0,"c":0,"v":13}