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): [_] → [19, 15] → [_, 9, 6]

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Answer: Row3[1]=10, Row1[1]=34

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [19,15]
  • [10,9,6]
Base
  • 10
  • 9
  • 6
TopValue
34
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":0,"c":0,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, _] → [4, 1, 6]

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Answer: Row2[2]=7, Row2[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [5,7]
  • [4,1,6]
Base
  • 4
  • 1
  • 6
TopValue
12
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":1,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [15, 12] → [6, _, _]

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Answer: Row3[3]=3, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [15,12]
  • [6,9,3]
Base
  • 6
  • 9
  • 3
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"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): [_] → [3, 8] → [2, _, 7]

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Answer: Row1[1]=11, Row3[2]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [3,8]
  • [2,1,7]
Base
  • 2
  • 1
  • 7
TopValue
11
HiddenCells
  • {"r":0,"c":0,"v":11}
  • {"r":2,"c":1,"v":1}