starter Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [8, 14] → [1, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [8,14]
  • [1,7,7]
Base
  • 1
  • 7
  • 7
TopValue
22
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"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): [_] → [3, 4] → [1, 2, _]

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Answer: Row1[1]=7, Row3[3]=2

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 13] → [8, _, 4]

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Answer: Row3[2]=9, Row1[1]=30

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [17,13]
  • [8,9,4]
Base
  • 8
  • 9
  • 4
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":0,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [9, _] → [_, 8, 3]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [9,11]
  • [1,8,3]
Base
  • 1
  • 8
  • 3
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":1,"c":1,"v":11}