starter Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 11] → [7, 2, _]

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Answer: Row3[3]=9, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [9,11]
  • [7,2,9]
Base
  • 7
  • 2
  • 9
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, _] → [10, 3, 5]

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Answer: Row2[2]=8, Row1[1]=21

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [13,8]
  • [10,3,5]
Base
  • 10
  • 3
  • 5
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [13, _] → [4, 9, _]

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Answer: Row3[3]=3, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [13,12]
  • [4,9,3]
Base
  • 4
  • 9
  • 3
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [10, 13] → [_, 5, _]

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Answer: Row3[1]=5, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [10,13]
  • [5,5,8]
Base
  • 5
  • 5
  • 8
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":8}