starter Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [17, _] → [8, 9, _]

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Answer: Row3[3]=5, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [17,14]
  • [8,9,5]
Base
  • 8
  • 9
  • 5
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"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): [25] → [10, _] → [3, _, 8]

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Answer: Row2[2]=15, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [3,7,8]
Base
  • 3
  • 7
  • 8
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [7, 3] → [5, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [7,3]
  • [5,2,1]
Base
  • 5
  • 2
  • 1
TopValue
10
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"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): [13] → [_, 6] → [_, 5, 1]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [7,6]
  • [2,5,1]
Base
  • 2
  • 5
  • 1
TopValue
13
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":7}