starter Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [15, _] → [_, 7, 9]

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Answer: Row3[1]=8, Row2[2]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [15,16]
  • [8,7,9]
Base
  • 8
  • 7
  • 9
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 5] → [8, _, 3]

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Answer: Row1[1]=15, Row3[2]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [10,5]
  • [8,2,3]
Base
  • 8
  • 2
  • 3
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 7] → [9, _, 2]

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Answer: Row3[2]=5, Row2[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [14,7]
  • [9,5,2]
Base
  • 9
  • 5
  • 2
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 20] → [4, 10, _]

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Answer: Row1[1]=34, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [14,20]
  • [4,10,10]
Base
  • 4
  • 10
  • 10
TopValue
34
HiddenCells
  • {"r":0,"c":0,"v":34}
  • {"r":2,"c":2,"v":10}