starter Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 7] → [_, 3, 4]

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Answer: Row3[1]=5, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [5,3,4]
Base
  • 5
  • 3
  • 4
TopValue
15
HiddenCells
  • {"r":2,"c":0,"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): [_] → [7, 12] → [3, 4, _]

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Answer: Row1[1]=19, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [7,12]
  • [3,4,8]
Base
  • 3
  • 4
  • 8
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [7] → [_, 4] → [1, 2, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [7]
  • [3,4]
  • [1,2,2]
Base
  • 1
  • 2
  • 2
TopValue
7
HiddenCells
  • {"r":1,"c":0,"v":3}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 6] → [9, _, 5]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [10,6]
  • [9,1,5]
Base
  • 9
  • 1
  • 5
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":0,"v":10}