starter Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [12, _] → [5, _, 1]

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Answer: Row3[2]=7, Row2[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [12,8]
  • [5,7,1]
Base
  • 5
  • 7
  • 1
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"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): [11] → [3, _] → [2, _, 7]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [3,8]
  • [2,1,7]
Base
  • 2
  • 1
  • 7
TopValue
11
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"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): [26] → [_, 11] → [9, _, 5]

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Answer: Row3[2]=6, Row2[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [15,11]
  • [9,6,5]
Base
  • 9
  • 6
  • 5
TopValue
26
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [10, _] → [4, _, 1]

Show answer

Answer: Row3[2]=6, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [10,7]
  • [4,6,1]
Base
  • 4
  • 6
  • 1
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":1,"v":7}