starter Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 5] → [8, 4, _]

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Answer: Row2[1]=12, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [12,5]
  • [8,4,1]
Base
  • 8
  • 4
  • 1
TopValue
17
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"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): [12] → [2, 10] → [1, _, _]

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Answer: Row3[2]=1, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [2,10]
  • [1,1,9]
Base
  • 1
  • 1
  • 9
TopValue
12
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [8, _] → [6, 2, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [8,5]
  • [6,2,3]
Base
  • 6
  • 2
  • 3
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"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): [_] → [7, 3] → [6, 1, _]

Show answer

Answer: Row1[1]=10, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [7,3]
  • [6,1,2]
Base
  • 6
  • 1
  • 2
TopValue
10
HiddenCells
  • {"r":0,"c":0,"v":10}
  • {"r":2,"c":2,"v":2}