starter Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, _] → [2, 9, 5]

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Answer: Row2[1]=11, Row2[2]=14

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [10, 5] → [6, _, _]

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Answer: Row3[2]=4, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [10,5]
  • [6,4,1]
Base
  • 6
  • 4
  • 1
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [18, 20] → [_, 10, _]

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Answer: Row3[3]=10, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [38]
  • [18,20]
  • [8,10,10]
Base
  • 8
  • 10
  • 10
TopValue
38
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":0,"v":8}

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

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Answer: Row3[2]=5, Row1[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [8,8]
  • [3,5,3]
Base
  • 3
  • 5
  • 3
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":0,"c":0,"v":16}