starter Set 15 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] → [4, _, 7]

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Answer: Row3[2]=7, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [11,14]
  • [4,7,7]
Base
  • 4
  • 7
  • 7
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 5] → [_, 4, 1]

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Answer: Row3[1]=4, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [8,5]
  • [4,4,1]
Base
  • 4
  • 4
  • 1
TopValue
13
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":0,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [10, _] → [5, _, 4]

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Answer: Row3[2]=5, Row2[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [10,9]
  • [5,5,4]
Base
  • 5
  • 5
  • 4
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"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): [20] → [12, 8] → [_, 7, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [12,8]
  • [5,7,1]
Base
  • 5
  • 7
  • 1
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":1}