starter Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 13] → [2, 8, _]

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Answer: Row3[3]=5, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [10,13]
  • [2,8,5]
Base
  • 2
  • 8
  • 5
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [9, _] → [8, 1, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [9,3]
  • [8,1,2]
Base
  • 8
  • 1
  • 2
TopValue
12
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":1,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [10, 9, 10]

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Answer: Row2[2]=19, Row1[1]=38

SubType
number-pyramid
Difficulty
starter
Levels
  • [38]
  • [19,19]
  • [10,9,10]
Base
  • 10
  • 9
  • 10
TopValue
38
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":0,"c":0,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [13, _] → [7, 6, _]

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Answer: Row2[2]=11, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [13,11]
  • [7,6,5]
Base
  • 7
  • 6
  • 5
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":2,"v":5}