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): [20] → [_, 10] → [2, _, 2]

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Answer: Row3[2]=8, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [2,8,2]
Base
  • 2
  • 8
  • 2
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 13] → [7, _, 5]

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Answer: Row2[1]=15, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [15,13]
  • [7,8,5]
Base
  • 7
  • 8
  • 5
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":2,"c":1,"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: Row2[2]=7, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [14,7]
  • [8,6,1]
Base
  • 8
  • 6
  • 1
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"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): [_] → [_, 14] → [2, 10, 4]

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Answer: Row1[1]=26, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [12,14]
  • [2,10,4]
Base
  • 2
  • 10
  • 4
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":1,"c":0,"v":12}