starter Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 9] → [6, 4, _]

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Answer: Row1[1]=19, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [10,9]
  • [6,4,5]
Base
  • 6
  • 4
  • 5
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, 14] → [_, 5, 9]

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Answer: Row3[1]=5, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [10,14]
  • [5,5,9]
Base
  • 5
  • 5
  • 9
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"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): [_] → [13, 17] → [5, 8, _]

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Answer: Row1[1]=30, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [13,17]
  • [5,8,9]
Base
  • 5
  • 8
  • 9
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [8, 2] → [_, _, 1]

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Answer: Row3[1]=7, Row3[2]=1

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