starter Set 97 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [15, _] → [_, 10, 10]

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Answer: Row3[1]=5, Row2[2]=20

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [15,20]
  • [5,10,10]
Base
  • 5
  • 10
  • 10
TopValue
35
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":1,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 17] → [_, 9, 8]

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Answer: Row1[1]=28, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [11,17]
  • [2,9,8]
Base
  • 2
  • 9
  • 8
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [8, _] → [_, 1, 4]

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Answer: Row2[2]=5, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [8,5]
  • [7,1,4]
Base
  • 7
  • 1
  • 4
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":5}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 4] → [7, _, 1]

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Answer: Row3[2]=3, Row1[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [10,4]
  • [7,3,1]
Base
  • 7
  • 3
  • 1
TopValue
14
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":0,"c":0,"v":14}