starter Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 4] → [_, 2, 2]

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Answer: Row1[1]=13, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [9,4]
  • [7,2,2]
Base
  • 7
  • 2
  • 2
TopValue
13
HiddenCells
  • {"r":0,"c":0,"v":13}
  • {"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): [_] → [12, _] → [5, 7, 2]

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Answer: Row1[1]=21, Row2[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [5,7,2]
Base
  • 5
  • 7
  • 2
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [13, 12] → [8, _, _]

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Answer: Row3[2]=5, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [13,12]
  • [8,5,7]
Base
  • 8
  • 5
  • 7
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 10] → [4, 9, _]

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Answer: Row2[1]=13, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [13,10]
  • [4,9,1]
Base
  • 4
  • 9
  • 1
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":2,"v":1}