starter Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [5, 10] → [_, 3, _]

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Answer: Row3[1]=2, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [5,10]
  • [2,3,7]
Base
  • 2
  • 3
  • 7
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 13] → [3, _, 8]

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Answer: Row1[1]=21, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [8,13]
  • [3,5,8]
Base
  • 3
  • 5
  • 8
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [11, _] → [9, 2, _]

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Answer: Row2[2]=8, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [11,8]
  • [9,2,6]
Base
  • 9
  • 2
  • 6
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [12, 11] → [6, _, _]

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Answer: Row3[3]=5, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [12,11]
  • [6,6,5]
Base
  • 6
  • 6
  • 5
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":1,"v":6}