starter Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 12] → [3, _, 9]

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Answer: Row2[1]=6, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [6,12]
  • [3,3,9]
Base
  • 3
  • 3
  • 9
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, _] → [8, 9, 10]

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Answer: Row1[1]=36, Row2[2]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [17,19]
  • [8,9,10]
Base
  • 8
  • 9
  • 10
TopValue
36
HiddenCells
  • {"r":0,"c":0,"v":36}
  • {"r":1,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 6] → [8, _, 4]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [10,6]
  • [8,2,4]
Base
  • 8
  • 2
  • 4
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"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): [25] → [_, 11] → [9, 5, _]

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Answer: Row3[3]=6, Row2[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [14,11]
  • [9,5,6]
Base
  • 9
  • 5
  • 6
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":1,"c":0,"v":14}