starter Set 47 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, 12] → [_, 8, 4]

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Answer: Row2[1]=17, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [17,12]
  • [9,8,4]
Base
  • 9
  • 8
  • 4
TopValue
29
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [11, 13] → [6, _, _]

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Answer: Row3[2]=5, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [11,13]
  • [6,5,8]
Base
  • 6
  • 5
  • 8
TopValue
24
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [14, _] → [8, 6, _]

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Answer: Row3[3]=1, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [14,7]
  • [8,6,1]
Base
  • 8
  • 6
  • 1
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"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): [_] → [19, _] → [9, 10, 10]

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Answer: Row2[2]=20, Row1[1]=39

SubType
number-pyramid
Difficulty
starter
Levels
  • [39]
  • [19,20]
  • [9,10,10]
Base
  • 9
  • 10
  • 10
TopValue
39
HiddenCells
  • {"r":1,"c":1,"v":20}
  • {"r":0,"c":0,"v":39}