starter Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [14, _] → [_, 5, 6]

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Answer: Row3[1]=9, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [14,11]
  • [9,5,6]
Base
  • 9
  • 5
  • 6
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":1,"v":11}

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [5,7,2]
Base
  • 5
  • 7
  • 2
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"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): [_] → [20, _] → [10, 10, 9]

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Answer: Row2[2]=19, Row1[1]=39

SubType
number-pyramid
Difficulty
starter
Levels
  • [39]
  • [20,19]
  • [10,10,9]
Base
  • 10
  • 10
  • 9
TopValue
39
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":0,"c":0,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, _] → [1, 7, 7]

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Answer: Row2[2]=14, Row1[1]=22

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [8,14]
  • [1,7,7]
Base
  • 1
  • 7
  • 7
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":0,"c":0,"v":22}